Erdös number: 4   (smallest known)

Known chains:

Paul Erdös
Noga Alon (1985) Douglas Stinson (1983)
Manuel Blum (1994) Giuseppe Ateniese (1996)
Nicholas Hopper (2001) Yongdae Kim (2000)
Eugene Y. Vasserman (2006, 2007)

See the Erdös Number Project for more information.


Academic genealogy

My partial academic genealogy as a dynamic Wikidata query

See the Mathematics Genealogy Project for more information.