Victor Laurie, professor of chemistry, emeritus, made numerous contributions to the field of microwave spectroscopy. He died on Sept. 13 at age 88.

William B. Russel, a leading chemical engineer who had a lasting impact on graduate education as dean of the Graduate School at Princeton University, died on Sept. 24, 2023, in Princeton. He was 77.

Janet Martin, associate professor of classics, emeritus, and an expert in medieval Latin, died of cardiovascular disease at home in Princeton, New Jersey, on Aug. 30, 2203. She was 84.

Joseph Kohn, professor of mathematics, emeritus, a leader in the field of several complex variables, died on Sept. 13. He was 91.

Michael Goldman, professor of English, emeritus, scholar of Shakespeare and Ibsen, accomplished poet and one of the most distinguished voices in American dramatic criticism, died at home in Manhattan on Aug. 17, 2023. He was 87.

William Jason Morgan, Princeton University’s Knox Taylor Professor of Geology, Emeritus and a professor of geophysics, emeritus, was a pioneer of the theory of plate tectonics. He died at home July 31.

Harry Frankfurt, professor of philosophy, emeritus, renowned for his scholarship on free will and moral responsibility, died from a number of causes, including congestive heart failure, at a care facility in Santa Monica, California, on July 16, 2023. He was 94.

William “Will” Howarth, professor of English, emeritus, and eminent Thoreau scholar and environmental humanist, died of interstitial lung disease at Penn Medicine Princeton Medical Center on June 6, 2023. He was 82.

Robert Geddes, the founding dean of Princeton’s School of Architecture, the William R. Kenen Jr. Professor of Architecture, renowned urbanist and innovative educator, died on Feb. 13, 2023. He was 99.