Obituaries

Stanford Graduate School of Education —

James G. Greeno dies at 85

Professor Emeritus James Greeno helped develop the theory of situated learning, which emphasizes the influence of social interactions and environment on learning.

History Professor Emeritus Mark Mancall dies

Mancall shaped the lives of generations of students through his research, teaching, mentorship and transformative commitment to undergraduate life and education.

Stanford Medicine —

William Dement, giant in sleep medicine, dies at 91

A founder of the field of sleep medicine, ardent campaigner against the dangers of drowsiness and teacher of Stanford’s hugely popular Sleep and Dreams course, William Dement has died.