Donald C. Spencer
American mathematician
Donald Clayton Spencer was an American mathematician, known for work on deformation theory of structures arising in differential geometry, and on several complex variables from the point of view of partial differential equations. He was born in... Wikipedia
Born: April 25, 1912, Boulder, CO
Died: December 23, 2001 (age 89 years), Durango, CO
Academic advisors: G. H. Hardy and John Edensor Littlewood
Awards: Bôcher Memorial Prize (1948) and National Medal of Science (1989)