JOHN PHILIP TRINKAUS ’40

JOHN PHILIP TRINKAUS, 84, a world-renowned developmental biologist, died Feb. 8, 2003. Elected to Phi Beta Kappa and to Sigma Xi, he received his degree with honors and with high distinction in biology. He received a master’s degree from Columbia University and a doctorate from Johns Hopkins University. The brother of the late Charles E. Trinkaus Jr. ’33 and of David G. Trinkaus ’42, the nephew of Henry D. Trinkaus of the class of 1896, and the cousin of Frederick P. Trinkaus ’34, he served in the U.S. Army Air Force during World War II. Described by the National Cancer Institute as “the world’s leading expert on in vivo cell movements,” he spent his entire academic career at Yale University and authored books, including the classic Cells Into Organs: The Forces That Shape the Embryo. He was also director of graduate studies in the Yale biology department, professor emeritus, and senior research scientist in molecular, cellular and developmental biology. Among those who survive are his wife, Madeleine Bazin Trinkaus, two sons, a daughter, five grandchildren, one great-grandson, and a niece, Penelope A. Trinkaus MALS ’88.