The Erdős number describes the "collaborative distance" between mathematician Paul Erdős and another person, measured by joint authorship of mathematical papers. The same principle has been applied in
Paul Erdős in 1992
Paul Erdős in 1985 at the University of Adelaide teaching Terence Tao, who was then 10 years old.
Paul Erdős was a Hungarian mathematician. He was one of the most prolific mathematicians and producers of mathematical conjectures of the 20th century. Erdős pursued and proposed problems in discrete
Erdős number
…The Erdős number (Hungarian: ) describes the "collaborative distance" between mathematician Paul Erdős and another person, measured by joint authorship of mathematical papers. The same principle has been applied in other fields. Paul Erdős (1913–1996…
Counter-clockwise from left: Erdős, Fan Chung, and her husband Ronald Graham, Japan 1986
Grave of Erdős, Kozma Street Cemetery, Budapest