Paul Erdös: Paul Erdös. Self: N Is a Number: A Portrait of Paul Erdös. A child prodigy, Erdos independently discovered the principle of negative numbers around age three. Around the same time, he was able to multiply two three-digit numbers in his head, and amuse visitors with his ability to calculate how many seconds they had been alive. Though he never married or had children of his own, Erdos delighted in children...
Known For: N Is a Number: A Portrait of Paul Erdös (Self)