Obituary

Erik Shirokoff, astronomer who built instruments to map the universe, 1979-2023

Known as a generous and patient mentor and teacher, Shirokoff was a faculty member in the Department of Astronomy and Astrophysics and a senior member of the Kavli Institute for Cosmological Physics, focusing on studying the evolution of the universe and the formation of stars and galaxies.

John P. Schiffer, nuclear physicist, 1930-2022

John Schiffer, professor emeritus of physics at the University of Chicago and former director of the Physics Division at Argonne, died on June 6.

Kenneth Dam, former University provost and Law School scholar, 1932-2022

Esteemed legal scholar served as deputy secretary in U.S. Departments of Treasury and State