Christos Papakyriakopoulos
Greek mathematician
Christos Dimitriou Papakyriakopoulos, commonly known as Papa, was a Greek mathematician specializing in geometric topology. Wikipedia
Born: June 29, 1914, Chalandri, Greece
Died: June 29, 1976 (age 62 years), Princeton, NJ
Awards: Oswald Veblen Prize in Geometry