“…from Washington University (1934), which provided a scholarship, and with a teaching assistantship, Ph.D. from Yale University (). In 1935, he switched from embryology to limnology after hearing Hutchinson lecture, and he became Hutchinson's first graduate student (Hutchinson , Slack :121–127, Egerton :232). Hutchinson was a superb mentor for both limnology and quantitative methodology.…”