The Caltech president, emeritus; life member of Caltech's Board of Trustees; and former secretary of the U.S. Department of Defense, passed away on January 4, 2019. He was 91 years old.
Alumnus and senior trustee Stephen A. Ross (BS '65), whose work helped shape the development of the field of financial economics, passed away on March 3, 2017. He was 73 years old.