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The Man Who Knew Infinity: A Life of the Genius Ramanujan Paperback – Illustrated, April 26, 2016


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NOW A MAJOR MOTION PICTURE STARRING JEREMY IRONS AND DEV PATEL!

A moving and enlightening look at the unbelievable true story of how gifted prodigy Ramanujan stunned the scholars of Cambridge University and revolutionized mathematics.

In 1913, a young unschooled Indian clerk wrote a letter to G H Hardy, begging the preeminent English mathematician's opinion on several ideas he had about numbers. Realizing the letter was the work of a genius, Hardy arranged for Srinivasa Ramanujan to come to England.

Thus began one of the most improbable and productive collaborations ever chronicled. With a passion for rich and evocative detail, Robert Kanigel takes us from the temples and slums of Madras to the courts and chapels of Cambridge University, where the devout Hindu Ramanujan, "the Prince of Intuition," tested his brilliant theories alongside the sophisticated and eccentric Hardy, "the Apostle of Proof."

In time, Ramanujan's creative intensity took its toll: he died at the age of thirty-two, but left behind a magical and inspired legacy that is still being plumbed for its secrets today.

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Editorial Reviews

About the Author

Robert Kanigel is the author of six previous books. He has been the recipient of numerous awards, including a Guggenheim Fellowship and the Grady-Stack Award for science writing. His book The Man Who Knew Infinity was a finalist for the National Book Critics Circle Award and the Los Angeles Times Book Prize. His work has appeared in numerous publications, including The New York Times Magazine, The New York Times Book Review, Harvard Magazine, and Psychology Today. He has just retired as Professor of Science Writing at MIT in Cambridge, Massachusetts and now lives in Baltimore.

Product details

  • Publisher ‏ : ‎ Atria Books; Media Tie-In edition (April 26, 2016)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 464 pages
  • ISBN-10 ‏ : ‎ 1476763496
  • ISBN-13 ‏ : ‎ 978-1476763491
  • Item Weight ‏ : ‎ 14.4 ounces
  • Dimensions ‏ : ‎ 5.31 x 1.3 x 8.25 inches
  • Customer Reviews:

About the author

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Robert Kanigel
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Robert Kanigel is the author of nine previous books, most recently "Hearing Homer's Song: The Brief Life and Big Idea of Milman Parry." His "Eyes on the Street: The Life of Jane Jacobs" was long-listed for the 2017 Andrew Carnegie Medal for nonfiction and named an NPR best book of the year. He has been the recipient of numerous awards, including a Guggenheim fellowship, the Grady-Stack Award for science writing and, for his Milman Parry biography, a Public Scholar grant from the National Endowment for the Humanities. His book "The Man Who Knew Infinity" was a finalist for the National Book Critics Circle Award and the Los Angeles Times Book Prize, and named a New York Public Library "Book to Remember"; it has been translated into more than a dozen languages, and was the basis for the film of the same name starring Jeremy Irons and Dev Patel. .Kanigel and his wife, the poet S. B. Merrow, live in Baltimore. His first memoir, "Young Man, Muddled," was published in late 2022. [robertkanigel.com]

Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,164 global ratings
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The front and back covers had a number of creases and scratches and the book looked like it might have been read before. I bought this to give as a gift, so I found the condition of the book irritating.
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Top reviews from the United States

Reviewed in the United States on June 6, 2018
For Rulers: Priming Political Leaders for Saving Humanity from Itself

This is a fascinating book, as recognized by the many reviews. But I suggest a different perspective, namely the challenge posed by the mind of Srinivasa RAMANUJAN to the idea of “super-intelligent robots” which is at the core of what is appropriately called by Ray Kurzweil “Spiritual Machines” and “Singularity.”
Ramanujan was more that one of the few persons recognized as “geniuses.” He was a super-genius, “a man who grew up praying to stone deities; who for most of his life took counsel from a family goddess, declaring it was she to whom his mathematical insights were owed; whose theorems would, at intellectually backbreaking cost, be proved true—yet leave mathematicians baffled that anyone could divine them in the first place” (p. 4).
All mathematical creativity depends on inspiration and imagination, followed by strict proof. However the mental processes resulting in the radical breakthroughs of Ramanujan, despite his social circumstances and lack of minimal education, are on an unequalled level. This outstanding biography does not even try to explain them, nor do the top mathematicians with whom Ramanujan worked at Cambridge and who continue to draw radically novel ideas from his handwritten notebooks.
This brings me to current efforts to spawn robots with artificial general intelligence and, beyond them, robots with super-intelligence. But the phenomenon of Ramanujan (and a few other geniuses) is not only beyond the scales of intelligence, but above the concept of “intelligence” itself. No enhancement of human intelligence opens a door to becoming a Ramanujan; and no algorithm is likely to produce robots with the abilities of Ramanujan. This would require more than super-intelligence namely a quantum leap into what we do not understand and cannot even conceptualize.
Artificial intelligence experts will probably respond that progress will be in steps: a somewhat super-intelligence entity will develop a more super-intelligent entity and so on, till “minds” of the quality of Ramanujan are understood, achieved and surpassed. But this is a weak hypothesis as long as the mind of Ramanujan remains totally a black box.
Thus Ramanujan posed a critical riddle to the idea of super-intelligent robots, whether with biological or mechanical substrata. Therefore, studying this book and pondering the challenge its subject presents is strongly recommended to philosophers, scientists and technologists working on advanced artificial intelligence and the Singularity hypothesis as a whole.

Professor Yehezkel Dror
The Hebrew University of Jerusalem
27 people found this helpful
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Reviewed in the United States on October 30, 2012
This book is the story of the life of Srinivasa Ramanujan, the brilliant Indian mathematician who lived a short but productive life around one hundred years ago. I had heard about Ramanujan before, and his collaboration with the renowned British mathematician G. H. Hardy made me want to know more about him. So I read this book and have learned so much about Ramanujan's life in India and England. This is not a technical book about his work per se, but mentions areas of mathematics like number theory on which he worked. It describes his upbringing in Southern India, his passion for exploring mathematics on his own, and his change of fortune when Hardy recognized his genius and the two collaborated in mathematics at Trinity College. Ramanujan was the source of intuition and Hardy the master of rigorous proof of theorems. Eventually, Ramanujan's knowledge caught up with the latest methods in mathematics of the time and he published several of his papers with Hardy's help. He became a Fellow of the Royal Society and obtained the Trinity fellowship despite some racist opposition to it. Hardy was instrumental in Ramanujan's path to fame. Unfortunately, Ramanujan's life came to an early end due to tuberculosis as the likely cause. This book is well-researched and gives a realistic view of what Ramanujan's life must have been like. I even learned some about Hindu deities, history of some buildings and places, and people who shaped the events in Ramanujan's life. The author has a descriptive style of writing that made some sentences too lengthy for me to keep track of what was being expressed, so I had to reread them. Overall, though, it is a complete and informative book.
2 people found this helpful
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Reviewed in the United States on July 22, 2006
Robert Kanigel's biography of Ramanujan is a well researched and well written book about the all-too short life of a man who remains largely unknown outside of the world of mathematics. Ramanujan was born of poor parents in Southern India in the late 1880s. His only interest outside of his religion was mathematics and he was unable to complete a formal university education. After several attempts to attract the attention of prominent British mathematicians he finally became the protégé of G.H. Hardy, a prominent mathematician at Cambridge. Hardy brought Ramanujan to Cambridge based on some of his preliminary work and was surprised to find that his protégé's thinking was far in advance of the then, and possibly current, state of mathematics.

Publication of many joint papers resulted in Ramanujan's election to the Royal Society.

Unfortunately he had by this time contracted tuberculosis and he died in 1920 shortly after his return to India. Even today Ramanujan's theorems are still being studied and he is ranked among the world's greatest mathematical thinkers hence the book's subtitle.

This book not only provides a valuable insight into a great mind but it also gives us a penetrating glimpse of the culture of Southern India in the early 20th century.

The contrast between Hardy's British public(i.e. private) school background and Ramanujan's Indian schooling makes the collaboration between the two even more interesting.

This is a fascinating read that leads one to speculate how many more similar sparks of genius remain undiscovered.
6 people found this helpful
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Top reviews from other countries

Mit Sengupta
5.0 out of 5 stars A treat to the mind
Reviewed in India on July 16, 2023
Fascinating book delving into imagination of Ramanujan, his life in India and then his life abroad. The man wanted to nothing more than to dream about mathematics day and night! Before his death he was only scribbling maths. And GH Hardy when asked what was his greatest discovery? He remarked : Ramanujan!
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Mit Sengupta
5.0 out of 5 stars A treat to the mind
Reviewed in India on July 16, 2023
Fascinating book delving into imagination of Ramanujan, his life in India and then his life abroad. The man wanted to nothing more than to dream about mathematics day and night! Before his death he was only scribbling maths. And GH Hardy when asked what was his greatest discovery? He remarked : Ramanujan!
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3 people found this helpful
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S.
5.0 out of 5 stars Incredible acievement against all odds
Reviewed in the United Kingdom on October 2, 2022
Very humbling and tenacious demonstration of commitment by an individual.
XVB
4.0 out of 5 stars Interesante biografía
Reviewed in Spain on June 3, 2022
La vida de este matemático autodidacta es fascinante. Paraxaquellos que kquiersn profundizar en su vida mas allá de la simplista película que omite demasiados detalles. E-book bien formateado y editado.
Leonardo P.
5.0 out of 5 stars Libro che mi ha appassionato alla Matematica
Reviewed in Italy on December 5, 2020
Una delle più affascinanti storie della Matematica, un libro che potrebbe motivarti a studiare matematica!
anderson
5.0 out of 5 stars Um homem e seu dom
Reviewed in Brazil on November 3, 2018
Algumas vezes somos levados a acreditar que alguém que nasce com um dom não necessita de nada mais além disso.
Foi com essa ideia que eu adquiri esse livro e, ao longo da leitura, fui notando que além de um dom existiu muito trabalho, problemas , dificuldades no caminho de Ramanujan. E é exatamente esse lado da estória que faz com que qualquer um se identifique com Ramanujan e é isso que torna a leitura tão agradável.
One person found this helpful
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