Charles Gordon Gross, professor of psychology and the Princeton Neuroscience Institute, emeritus, died April 13, 2019.

Robert Mark, professor of civil engineering and architecture, emeritus, died March 29, 2019

Alan B. Krueger, the James Madison Professor of Political Economy, died March 16, 2019

Henry Horn, professor of ecology and evolutionary biology, emeritus, died March 14, 2019

William Jacobs, professor of biology, emeritus, died March 3, 2019

John Bonner, the George M. Moffett Professor of Biology, Emeritus, died Feb. 7, 2019

Norman Itzkowitz, professor of Near Eastern studies, emeritus, died Jan. 20, 2019

Herman Ermolaev, professor Slavic languages and literatures, emeritus, died Jan. 6, 2019

Theodore Rabb, professor of history, emeritus, died Jan. 7, 2019