Princeton University Archives
IN MEMORIAM: Philosophy professor emeritus GEORGE PITCHER died Jan. 12 in Princeton. He was 92. Pitcher joined the faculty in 1956 and became emeritus in 1981. He was an expert on the Austrian-British philosopher Ludwig Wittgenstein and Irish philosopher George Berkeley and wrote books on both. He also wrote A Theory of Perception and a memoir, The Dogs Who Came to Stay. 


Princeton University Archives
IN MEMORIAM: Professor of geosciences emeritus KENNETH DEFFEYES *59 died Nov. 29 in La Jolla, Calif. He was 85. A geological engineer, chemical oceanographer, and sedimentary petrologist, Deffeyes joined the Princeton faculty in 1967 and transferred to emeritus status in 1998. He helped reshape the curriculum at Princeton as his field began to incorporate plate tectonics into studies of Earth’s formation. He wrote three books, including When Oil Peaked, which built on the theory that U.S. oil production would peak and decline.