# THE MAN WHO KNEW INFINITY BOOK PDF

Oliver Sacks - The Man Who Mistook His Wife For A custom-speeches.com There is a novel called The Man Who Knew Infinity by Robert. Kanigel (), and yet few Th. tion." -Kirkus Reviews. "THE MAN WHO KNEW INFINITY is an accessible look at .. In this book I propose to tell Ramanujan's story, the story of an inscrutable. One of Robert Kanigel's achievements in THE MAN WHO KNEW INFINITY is to make the The New York Review of Books "[An] extremely well-researched and .

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BOOK I REVIEW. The Man Who Knew Infinity. Untutored Genius. R Tandon. The Man Who Knew Infinity. A life of the Genius Ramanuian. Robert Kanigel. The Man Who Knew Infinity - A Life of the Genius Ramanujan - Ebook download as PDF File .pdf) or read book online. Robert Kanigel, born in , was a mechanical engineer but at his 24th he decided to become a freelance writer. His book on Ramanujan from was his.

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## The Man Who Knew Infinity: A Life of the Genius Ramanujan

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Susan Cain. The Martian. Andy Weir. I could understand the importance of Ramanujan's work, thanks to Kanigel's explanation. But i wished i was good enough at Mathematics to at least attempt to experience the beauty of it. Instead, i had to rely on metaphor for it to make any sense to me. A must read for anybody who is interested in Ramanujan, Mathematics, Hardy, Biographies or any good book. View 1 comment. Oct 09, Siby rated it really liked it Shelves: Ramanujam is considered one of the best mathematicians of all times, in the same league as a Jacobi or Euler.

Even though his work is well known within the mathematical community, outside of it, he is virtually an unknown quantity. Robert Kanigel has put in a lot of effort researching material to write such a comprehensive biography of a genius from a century ago.

Ramanujam was born in a poor Tamil brahmin family and had little access to formal education. He had an unnatural flair for mathematics Ramanujam is considered one of the best mathematicians of all times, in the same league as a Jacobi or Euler. He had an unnatural flair for mathematics and nothing else!

After a life a penury and struggle, with no one in India capable of even understanding if his work was brilliant or a just pure drivel, Ramanujam got the recognition he deserved when his papers reached the British mathematician Hardy.

After a brief period of collaboration with Hardy in England and some brilliant individual effort back in India, Ramanujam passed away, at the age of In his short life, Ramanujam achieved a lot.

A meteoric rise to fame, FRS and fellowship to Trinity and a body of mathematical work that is still being studied and analyzed more than a years later. One can only wonder what he could have achieved had he lived a few more years. This book is very comprehensive, being not just the story of Ramanujam, but also a social biography of colonial India and war time Europe during the early s. Does digress from Ramanujam's life quite a few times, with details on life in Britain, or the social customs of Brahmanical India etc.

There is no mathematics in this book and so, can be read by anyone interested in the romantically tragic, but brilliant life of Ramanujam View all 3 comments. May 11, Lovesfrost rated it it was amazing. I loved each and every moment spent with this book and I think, I can see myself re-reading this all over again sometime soon.

View all 6 comments. Nov 21, Lubinka Dimitrova rated it it was amazing Shelves: One of the best-crafted biographies I've ever read, this book offered not only a deep insight into the story of Ramanujan himself, but also a social biography of colonial India and war time Europe during the early s. Not too heavy on mathematics, it had just enough for the reader to acquire a basic idea of Ramanujan's accomplishments and his contribution to many and various branches of science note to self: The book is a fertile g One of the best-crafted biographies I've ever read, this book offered not only a deep insight into the story of Ramanujan himself, but also a social biography of colonial India and war time Europe during the early s.

The book is a fertile ground for thoughts about the importance of chance in life - what would have happened if the conditions in India were different at that time, or if his mother was a different person from the one she was, or he himself, for that matter his strict vegetarianism in war-time conditions pretty much condemned him , or even - what would he be able to achieve, were he better educated in the basics, had he lived a bit longer or were he born in a different era Almost years after his death, the results he stated, both original and highly unconventional, have inspired a vast amount of further research, and his biography turned out to be an utterly compelling read.

View all 5 comments. May 28, Swaroop rated it really liked it. This book is so well written! The author seem to have done so much of deep research.

This is how, I feel, biographies should be written. You can actually feel as if you were with Srinvasa Ramanujan all through his life A This book is so well written! A mustread book whether one likes mathematics or not Sep 15, Pallavi Kamat rated it it was amazing. This is one of the most fascinating and incredible books I have read in recent times.

It is the biography of the famous Indian mathematician Srinivasa Ramanujan. It is also a history of the astonishingly fruitful cross-cultural collaboration between this young, ill-educated mathematical genius and his mentor at Cambridge University, G.

Hardy — This is one of the most fascinating and incredible books I have read in recent times. Hardy — a relationship that turned the world of mathematics upside down before it withered and died through a combination of Indian bureaucratic short-sightedness, superstition, English spiritual asceticism and the First World War. Robert Kanigel, author of The One Best Way, tells this extraordinary tale, assessing the legacy of a man whose work contains some of the most beautiful ideas in the history of science, and whose major papers are still being plumbed for their secrets today.

However, my apprehensions were laid to rest. The book is outstanding for a number of reasons. Most importantly, because it brings out the human element in each and every action or decision that Ramanujan took.

You almost feel pity for the young Ramanujan who is unable to clear his exams because he would not study other subjects due to his interest in Mathematics. At the same time, you are also amazed at how he would sit in the courtyard of his home dedicatedly solving problems on his slate and erasing any errors with his elbows to avoid lifting his arms.

But the best way in which the human aspect is brought about is by highlighting throughout the book how Ramanujan craved for appreciation and recognition at each stage; even though he knew he was brilliant and outshone everybody else, he still wanted others to say that.

Kanigel is also able to narrate to us life at Cambridge during those times, how the other mathematicians were in awe of Ramanujan for his genius and how Ramanujan, who never had an Indian degree to his name, was elected a Fellow of the Royal Society F. The other important part about this book is the way the relationship between Ramanujan and his mentor Godfred Harold Hardy has been elaborated.

The importance of having a mentor at a critical juncture in life and how it leads someone to achieve his true potential has been beautifully brought out. The only sad part which ran through the book is the fact that ultimately it took a foreigner to recognize the genius in an Indian; Ramanujan had to go to Cambridge because his brilliance was not rewarded in his own country.

Another sad thing was the relation Ramanujan shared with his wife, Janki who was only nine years old when they got married. Since Ramanujan was so pre-occupied with his work and since Janki was still too young to be a wife, they never really had a traditional husband-wife relationship.

Janki also did not accompany him to Cambridge. Neither was she interested in learning about his work and his research. This book is a must-read for anybody who feels passionately about Indians achieving something in their chosen field.

## Robert Kanigel

It is about a person who is not afraid to spend time and attention on his passion even though it does not bear fruit initially; who is not afraid to go from door to door trying to make an honest living so that he gets the freedom to do what he wants and ultimately who is not afraid to leave the comforts of his home and family to go pursue a better career abroad at a time when not many people would do so.

This review first appeared on my blog www. View 2 comments. A fascinating account on the short but outstanding life of the enigmatic and extraordinary Ramanujan. From a young, unschooled Indian clerk to an exemplary mathematician, his journey albeit he died at the mere age of 32, is nevertheless awe-inspiring.

Even in his final days, he never left his slate and continued to give prominent contributions. Such was his love for Mathematics. He failed in everything else but scored high in Mathematics.

So he w A fascinating account on the short but outstanding life of the enigmatic and extraordinary Ramanujan. But they did not yet realize what intellectual treasures lay deep inside him. Together, Hardy and Ramanujan produced astonishing results which made their names indelible in the history of Mathematics. Mathematics was the only thing which intertwined them. Hardy was an atheist while Ramanujan was a stout Brahmin.

Hardy loved cricket but Ramanujan showed no interest. Only Mathematics linked them. And it did do a little harm to Ramanujan. Read to find out! Robert Kanigel has produced indeed a delightful book. With writing so exquisite, I was moved and almost shed a tear during the last portion of the book. It was Hardy and England which showed Ramanujan to the world.

Although he had disadvantages many, fortunately his genius did finally overcome them. Ramanujan showed the world what Indians are capable of; that India has potential. But who knows many Ramanujans might still exist, waiting only to be discovered. Mar 30, Charlene rated it it was amazing Shelves: Exceptional, brilliant, tragic, and mind altering. I first watched the movie by the same title and felt as if I missed so much.

It turned out to be the case. The entire first half of the book was about Ramanujan's life before working with G. So many shocking details; not the least of which was that fact that no university in India would allow Ramanujan entrance because he continued to fail his English exams. It was heartbreaking to read about his shame, which was so profound, he took a Exceptional, brilliant, tragic, and mind altering. It was heartbreaking to read about his shame, which was so profound, he took a train and ran away.

To call it astonishing would be to minimize his accomplishments in a severe manner. He is often referred to as the 3rd most brilliant human who ever lived. However, considering where he came from, I personally view him as more brilliant than Newton. Another aspect of the book that you won't see in the movie is the wonderful biography of G.

He was a brilliant mathematician but an even more brilliant humanitarian, fighting against people in his own institution to champion Ramanujan and later fighting against people on multiple continents to help Jewish academics escape Nazi Germany. Because of the importance of the ideas of both of these men to society as a whole, I consider this book a must read.

Ramanujan is one of the greatest mathematicians and the most famous mathematician that India has ever produced. I hardly knew anything about him or his contributions to mathematics.

I picked this book up with the sole intention of knowing more about this genius. And I am so glad that I did. It was such an inspiring story that I feel every young person must read it. Ramanujan has been compared with mathematicians like Euler and Jacobi. Ramanujan was a genius, he was - " Author has done a great job of not being judgmental about anything he mentions in the book. It is one of the best biographies I have ever read. Ramanujan's story is very interesting since it is a rags-to-intellectual riches story, where an Indian clerk who did not even complete his graduation scribbles theorems in a notebook, which even surprised the most educated mathematicians in colleges like Trinity where people like Newton taught.

Without any formal education, he came up with theorems which took many years for other mathematicians to decipher or come up with proof. Unfortunately, he died at the age of I wonder what other major contributions he would have done, had he lived for 60 years or so! Ramanujan never got any support, while in India, maybe because of British Raj or maybe because nobody understood the significance of his theorems. Hardy, who was a mathematics professor at Trinity college studied the letters that Ramanujan sent and made him come to Britain with the help of Neville a colleague.

Hardy and Ramanujan together published many papers. Littlewood was another professor who appreciated Ramanujan's talent. Ramanujan who did not get good vegetarian food since he was a Brahmin and had to face the brutal British chillness fell sick with tuberculosis. I believe he would not have fallen sick had his mother let him take his wife with him to UK.

It was sad to know that he even tried to kill himself, because of the loneliness and rejection of fellowship as a result of racial prejudice. He later ended up getting fellowship from Royal Society and Trinity college. Laurence Young had written - "Teaching Ramanujan was like writing on a blackboard covered with excerpts from a more interesting lecture" He believed in God and attributed all of his brilliance to God. Some of the work that he had done, had already been discovered by someone else.

But since he was not in touch with the western world and had no formal education, he was not aware of these discoveries. The book talks about his religious beliefs, personal life, his relationship with professors like Hardy, Littlewood and Neville, about Hardy's life, his contributions to mathematics, his struggle to get recognition for the work he had done, his struggle to feed his poor family and his eccentricity and stubbornness.

His interest in mathematics was so great that he worked on problems even when he was in hospital and even few days before dying.

At one point, he was so poor that he could not afford to buy a notebook. He would then write in-between the lines on an already written notebook using a different colored ink pen. Such was the determination of this man! As Hardy says, a mathematician has to have an intuition first in order to come up with anything new, which Ramanujan had in abundance - "a mathematician usually discovers a theorem by an effort of intuition; the conclusion strikes him as plausible, and he sets to work to manufacture a proof" As P.

Srinivasan said, "The British thought Indians were inferior, and Ramanujan showed otherwise. The book briefly talks about his theorems and papers. I would really like to get hold of "Collected papers" of Ramanujan which was published by Cambridge University press. His last set of papers written by him just before he died, were compiled as "The Lost notebook" and published later. I am sure most part of his theorems would not make sense to me. Those who are doing research in that field would understand them better.

There was a book which inspired Ramanujan to a great extent and I was really happy that I got to browse an online copy of the book. The book was called "A synopsis of Elementary results in pure and applied mathematics", by Carr.

Another book that was mentioned in this book and I want to read was "A mathematician's apology", written by Hardy. Hardy says, "There is always more in one of Ramanujan's formulae than meets the eye, as anyone who sets to work to verify those which look the easiest will soon discover". I was really surprised to know that it took about 3 months to arrive at a proof for one of the theorems written in his notebook. Ramanujan never bothered about proving any of his theorems. I had no idea that his mathematics has applications in pyrometry, crystallography, atomic research, string theory, splicing telephone cables, cancer treatment, statistical mechanics, computer algorithms, space travel, cryptology, particle physics, fastest known algorithm to determine pi by computer and many more fields.

Probably even he had no idea that it had so many practical applications. S Haldane says, new Ramanujans in India find little encouragement and recognition for their talent - "But it is scandalous that India's great men should have to wait for foreign recognitions Had he been discovered earlier and educated in a good University, " Raman and S.

The other laureates are for Chemistry, Biology, Peace, Literature etc. Don't you think it is too small a number for a country with highest population?! I highly recommend this book. It was an interesting documentary about Ramanujan and it ran for about 60 minutes.

## More from La Trobe

They even interviewed his wife who was 87 years old at that time. Ramanujan died when she was just 20 years old. I felt so sad looking at her talking about her husband who had died some 67 years back. Did she even remember his face properly? I doubt that. They also showed many photos of Ramanujan taken when he was at Cambridge.

I had not seen most of these photos before. The Man who knew Infinity movie is releasing in Earlier it was reported that R. Madhavan would play the lead role. But now I am seeing Dev Patel being casted. He doesn't even suit the role. And I personally dislike him. I don't want to watch the movie anymore. Madhavan would have fit the role perfectly, since he resembles Ramanujan and is a much better actor.

Got the info from IMDB, here, here and many more websites. There have been no good books written about Aryabhatta so far.

Isn't it time someone wrote one? Do you know any books on any of the other Indian mathematicians? May 30, Joe rated it really liked it. This book is a biography of Ramanujan, the Indian genius mathematician. It's difficult to avoid finding Ramanujan fascinating, even if you have no interest in math. He was born poor in India in , and showed an incredible natural talent for math -- including theoretical as well as arithmetical abilities -- but his poor academic talent in other areas prevented him from moving up in India's educational structure.

While working a series of low-level bureaucratic jobs, he continually tried to get This book is a biography of Ramanujan, the Indian genius mathematician. While working a series of low-level bureaucratic jobs, he continually tried to get prominent mathematicians to recognize his ability -- some seemed unable to understand his work, others seemed to see potential but didn't know how to help Ramanujan.

It didn't help that Ramanujan's only experience to theoretical math was very limited -- he had an outdated book of theorems that he started from, and he developed his own notation that was difficult to get used to.

Eventually, a British mathematician Hardy responded to a letter asking for help. With Hardy's help, Ramanujan traveled to Cambridge and and began interacting with a larger circle of mathematicians. Ramanujan didn't find the transition easy, but he was successful, achieving the title of Fellow of the Royal Society.

Every bit of Ramanujan's life is more interesting than the short description I've given here. This book does a good job of covering all of it, and there are really only two flaws I can think of.

The first is simply a matter of organization. I get the feeling that the author collected a large amount of material, and felt the need to be completist in disclosing it all. Most of it fits fine, and tells the story well, but there are a few chapters, or sections of chapters, that feel tacked on.

The larger issue with this book is always an issue of any book that targets a technical and non-technical audience at the same time. In this case, the author clearly wants to describe a bit of Ramanujan's mathematics, both to give the reader a feeling for the sorts of things he and others were working on, and to let people see a small amount of the order -- beauty?

The basic problem is that it's almost impossible to describe technical material in a way that non-technical reads will care about, and at the same time keep it interesting to a technical reader. The worst examples fail on both accounts.

This book doesn't fall to that level, but it doesn't exactly succeed, either. The best thing about this book, besides the good job it does in telling the very facts of the matter, is that it does a good job touching on larger issues that Ramanujan's story brings up, both on a personal level and a larger level. For Ramanujan himself, one is almost forced to ask what he would have accomplished if he had been born in a time or place where he had easier access to a greater range of mathematics in his early age.

Would he have been far greater than he really ended up being? Or, perhaps, the barriers he overcame ended up causing only delays, not reductions, in his accomplishments. Or, maybe, he would have found an outlet that let him achieve an easy-enough normal life, and wouldn't have felt the strong force to push him to continue looking for other mathematicians with whom to connect.

On a large scope, Ramanujan's story introduces questions about how societies treat people that have a lot to contribute in a non-traditional way. Ramanujan could have easily gotten frustrated with his initial inability to connect with someone that recognized and could foster his potential, and we would have lost all of his contributions.

How much of that is due to where he was born? He eventually found success in England, but he had trouble in all of his non-math academics; I can easily imagine that most educational systems might have trouble dealing with that.

And while Ramanujan did eventually find academic success in England, he encountered a huge number of other problems there. I'm sure that part of that was due to the time in which he lived, but I think that even now he wouldn't completely fit in, and would have problems. Anyone that finds Ramanujan interesting would enjoy reading this book. A Life of the Genius Ramanujan , is a heart wrenching, tragic life story of great Indian Mathematician.

If you are an Indian student you must have seen him on many Math academic book cover pages. Had Ramanujan something extraordinary to offer the world? What was the nature and extent of his genius, if genius it was? This book has answered all these questions well enough, only drawback I feel is, its pretty hard to follow the sequence of the events.

He was so seduced by higher mathematics lost interest in everything, even failing in school. Poverty, conservative family, drawbacks of the poor education system and lack of access to modern books were some of the challenges he faced. The day after Ramanujan died, his doctor Subramanian Chandrasekhar wrote in his diary: Jul 10, Rohan rated it liked it Shelves: As someone who grew up in Southern part of India, I knew about Ramanujam and some his stories since childhood.

The Author has definitely done his research and he is right about almost everything that he mentions in this book. I can clearly see that someone who has never heard about this Mathematician before would enjoy this book far more than I did since I vaguely knew his stories.

Nevertheless, if you are interested in Maths, you should probably read this book. Jul 15, Laura rated it it was amazing Shelves: The story of the life and academic career of the pioneer Indian mathematician, Srinivasa Ramanujan, and his friendship with his mentor, Professor G. Jan 05, Mit rated it liked it.

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This biography is about a a self- taught, turn-of-the-century mathematician, Srinivas Ramanjan So, the story is about a man who has an obsession with numbers and maths, but is born in a culture which does not understand it.

He is born in Southern India where religion matters more than anything. As correctly, Robert Kanigel pointed out, If Bombay was known for commerce, and Calcutta for Politics, Madras was the most single-mindedly religious. It was a place where there was less, as it were, to dis This biography is about a a self- taught, turn-of-the-century mathematician, Srinivas Ramanjan So, the story is about a man who has an obsession with numbers and maths, but is born in a culture which does not understand it.

It was a place where there was less, as it were, to distract you-just rice fields, temples, and hidden gods. This leaves no doubt about the fact that Ramanujan must be religious, however many of his friends did not think so but he was indeed a religious person who had inherited this tradition from his Mother mostly.

Author has traveled to this part of the country to gather information about Ramanujan's early life, but it seems that what he was writing was more about Indian culture than about Ramanujan. It was good. Writing was excellent but he just overdid it. Many a times the book was not focused on the subject matter and it killed my mood.

Srinivasa Ramanujan Iyengar received little encouragement in his growing obsession for mathematics--fueled particularly by his discovery of a forty-year-old math book written by an English tutor. Nevertheless, Ramanujan began compulsively filling his own notebooks with scribbled mathematical theorums, heedless of the fact that he was flunking out of one after another of the area's universities, all designed by the British to train native administrators rather than cultivate Indian genius.

Ramanujan's life was filled with hardships and struggles and also with his poor financial conditions, he was not able to get proper guidance and motivation to fuel his mathematics interest. However, things got changed when he wrote to a Professor and a British mathematician, G. Hardy Greatly impressed, Hardy arranged for Ramajuran to join him in Cambridge, where the Indian enjoyed the joys of subsidized intellectual labor and international appreciation at the price of giving up the daily spiritual sustenance provided by his own culture.

The trade-off proved too much.

Prevented from returning to India once World War I commenced, cut off from the spiritual element he'd always integrated into his mathematical theories, and with only the ascetic atheist, Hardy, for company, Ramanujan went into a steep physical decline.

Seven years after his arrival in England, at age 33, he was dead. Ramanujan's intimacy with numbers can be pointed out from an incident which is rather famous. One day, Hardy paid a call on Ramanujan and commented with typical brusqueness that the number of the cab he had taken, , was "rather a dull number," adding that he hoped it wasn't a bad omen. It is the smallest number expressible as the sum of two cubes in two different ways.

A good read but it lacked something which I was looking for, I am a bit disappointed but I still recommend it to anyone who is interested in reading about this great man. It is an inspiring account of a person who grew up from poverty to become one of the most celebrated mathematician of all time. Dec 22, Philipp rated it really liked it Shelves: The book doesn't come close to his genius, but that's something that baffled even his contemporaries.

Since Ramanujan died so young his great contemporary and benefactor G. The book itself is sometimes too American for my taste - Indian and British life explained with examples from baseball or horse-races. A rather uncomfortable 20 pages or so speculating about Hardy's sexual orientation who cares? It also concentrates on the absolute layman as the audience, so you may be bored when the author starts to explain for example factorials.Also, interspersed with some very interesting takes on South Indian life, by an outsider.

That was beside the point. The film follows Srinivasa Ramanujan Dev Patel from his time as a young mathematical genius in Madras, where he worked as a common accountant, to far-off England, where he worked with and often baffled the top mathematicians of Cambridge.

Is That a Fact? Ramanujan has been compared with mathematicians like Euler and Jacobi. When the as-yet-unknown Ramanujan sent some of his work to professor G. This is a very well researched and wonderfully written biography of two great mathematecians S.