Prof. Emeritus Robert A. Butler, whose research focused on hearing—particularly involving the localization of sound and auditory perception—died Feb. 5 after a brief illness. He was 98 years old.
Prof. Emeritus Dietrich Müller, a renowned experimental physicist at the University of Chicago who spent half a century building instruments to study energetic particles from space called cosmic rays, died Dec. 22 at the age of 85.
Prof. Emeritus Allan Rechtschaffen, a pioneer of modern sleep research and director of the University of Chicago Sleep Laboratory for more than 40 years, died Nov. 29. He was 93 years old.
Mihaly “Mike” Csikszentmihalyi, Professor Emeritus in the Department of Psychology, a pioneering psychologist known as the “father of flow,” died Oct. 20 at his home in Claremont, California. He was 87.
Noel M. Swerdlow, Professor Emeritus in the Department of Astronomy and Astrophysics, the Department of History, and the College, passed away July 24, 2021. He was 80.
