George Eastman

Entrepreneur, businessman, founder of the Eastman Dry Plate and Film Company which later became Eastman Kodak Company, brought photographic film rolls into popularity, inventor of the Kodak camera in 1888, committed suicide in 1932
1854-1932 (78)
biography.com

Robert D Putnam living

political sociologist, political commentator, politics, author of American Grace
1941- (83)
robertdputnam.com

Robert Sproull

educator, physicist, politician, US Department of Defense
1918-2014 (96)