E. W. Sinnott

Edmund Ware Sinnott (February 5, 1888 in Cambridge, Massachusetts – January 6, 1968 in New Haven, Connecticut) was an American botanist and prolific textbook author. He is best known for his work in plant morphology.

Sinnott received his A.B. in 1908, his M.A. in 1910, and his Ph.D. in 1913 all from Harvard. He had studied in Australia with Arthur J. Eames from 1910-1911. Upon graduation, he became an instructor at Harvard, and worked with I. W. Bailey, the anatomist. From 1915-1928, he was at the Connecticut Agricultural College at Storrs, becoming Professor of Botany and Genetics. From 1928-1939, he was Professor of Botany at Barnard College and chair of the Botany Department at Columbia University (1939-1940). In 1940, he moved to Yale University to become Sterling Professor of Botany, chair of the Botany Department (1940-1956), director of the Marsh Botanical Garden (1940-1950), dean of the Graduate School (1950-1956) and director of Sheffield Scientific School (1945-1956).