Robert Zimmer

Robert Jeffrey Zimmer (November 5, 1947 – May 23, 2023) was an American mathematician. At the University of Chicago, he served as the 13th president from July 2006 to August 2021 and as the honorary 3rd chancellor from September 2021 to July 2022.

His academic research focused on geometry, particularly ergodic theory, Lie groups, and differential geometry. Provided by Wikipedia