Background
Erickson, Ralph O. was born on October 27, 1914 in Duluth, Minnesota, United States. Son of Charles W. and Stella (Sjostrom) Erickson.
Erickson, Ralph O. was born on October 27, 1914 in Duluth, Minnesota, United States. Son of Charles W. and Stella (Sjostrom) Erickson.
Bachelor, Gustavus Adolphus College, 1935. Master of Science, Washington University, St. Louis, 1941. Doctor of Philosophy, Washington University, St. Louis, 1944.
Instructor, Gustavus Adolphus College, 1935-1939; assistant chemist, Western Cartridge Company, East Alton, Illinois, 1942-1944; instructor, then assistant professor botany, U. Rochester, New York, 1944-1947; member of faculty, University of Pennsylvania, Philadelphia, since 1947; professor botany, University of Pennsylvania, Philadelphia, 1954-1985; professor emeritus, University of Pennsylvania, since 1985; chairman graduate group botany, University of Pennsylvania, 1957-1968; acting director division biology, University of Pennsylvania, 1961-1963; chairman graduate group biology, University of Pennsylvania, 1968-1976; acting department chairman biology, University of Pennsylvania, 1977-1978.
Member American Association for the Advancement of Science, Botanical Society of America, Society Development Biology (president 1959), American Institute Biological Sciences, Sigma Xi.
Married Elinor M. Borgstedt, June 17, 1945. Children: Diane Erickson Field, Elizabeth Erickson.