The Man Who Loved Only Numbers by Paul Hoffman
The Story of Paul Erdos and the Search for Mathematical Truth

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Paul Erdos was an amazing and prolific mathematician whose life as a world-wandering numerical nomad was legendary. He published almost 1500 scholarly papers before his death in 1996, and he probably thought more about math problems than anyone in history. Like a traveling salesman offering his thoughts as wares, Erdos would show up on the doorstep of one mathematician or another and announce, "My brain is open." After working through a problem, he'd move on to the next place, the next solution.

Hoffman's book, like Sylvia Nasar's biography of John Nash, A Beautiful Mind, reveals a genius's life that transcended the merely quirky. But Erdos's brand of madness was joyful, unlike Nash's despairing schizophrenia. Erdos never tried to dilute his obsessive passion for numbers with ordinary emotional interactions, thus avoiding hurting the people around him, as Nash did. Oliver Sacks writes of Erdos: "A mathematical genius of the first order, Paul Erdos was totally obsessed with his subject--he thought and wrote mathematics for nineteen hours a day until the day he died. He traveled constantly, living out of a plastic bag, and had no interest in food, sex, companionship, art--all that is usually indispensable to a human life."

The Man Who Loved Only Numbers is easy to love, despite his strangeness. It's hard not to have affection for someone who referred to children as "epsilons," from the Greek letter used to represent small quantities in mathematics; a man whose epitaph for himself read, "Finally I am becoming stupider no more"; and whose only really necessary tool to do his work was a quiet and open mind.

Hoffman, who followed and spoke with Erdos over the last 10 years of his life, introduces us to an undeniably odd, yet pure and joyful, man who loved numbers more than he loved God--whom he referred to as SF, for Supreme Fascist. He was often misunderstood, and he certainly annoyed people sometimes, but Paul Erdos is no doubt missed. --Therese Littleton

About Paul Hoffman

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Hoffman is the publisher of Encyclopedia Britannica. He is the host of the five-part PBS series "Great Minds of Science" and a frequent correspondent on television shows such as CBS This Morning and The NewsHour with Jim Lehrer.
Published July 15, 1998 by Hachette Books. 320 pages
Genres: Biographies & Memoirs, History, Computers & Technology, Travel, Science & Math. Non-fiction

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He lived for math, announcing his visits with a hearty, ""My brain is open,"" posing and solving problems while subsisting on amphetamines and coffee ("" 'A mathematician,' Erd…s was fond of saying, 'is a machine for turning coffee into theorems' ""), and forgoing pleasantries like ""Good morni...

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London Review of Books

Certainly mathematicians, when they ponder the utility of mathematics, and physicists in book after book about their subject, seem unwilling or incapable of renouncing the conviction of their patron saint Galileo that the book of the Universe was written (by God) in the language of mathematics.

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