At a conference in Colorado, he met the Hungarian mathematician Paul Erdős (1913–1996), who became a close friend and frequent research collaborator
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At a conference in Colorado, he met the Hungarian mathematician Paul Erdős (1913–1996), who became a close friend and frequent research collaborator
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-24 from Wikipedia. The archived copy is preserved so this citation survives link rot.