Saunders
MacLane
Max Mason Distinguished Service Professor, Emeritus
University of Chicago
1989
Mathematics
For revolutionizing the language and content of modern mathematics by his collaboration in the creation and development of the fields of homological algebra and category theory, for outstanding contributions to mathematics education, and for incisive leadership of the mathematical and scientific communities.
Presented by President Bush at a White House Ceremony on October 18, 1989.