This is a prepublication version, without the pictures, of
a biography of Paul Erdős (1913--1996),
published shortly before his death:
László Babai:
In and out of Hungary:
Paul Erdős, his friends, and times.
In: Dezső Miklós, Vera T. Sós, and Tamás Szőnyi, editors
Combinatorics: Paul Erdős Is Eighty
Bolyai Society Mathematical Studies, Vol. 2, pages 7–95.
J. Bolyai Mathematical Society, Budapest, 1996.