Background
Johnson, Elmer Marshall was born on June 16, 1930 in Midlothian, Illinois, United States. Son of Burt and Gertrude Esther (Miller) Johnson.
Reproductive toxicologist Biology educator
Johnson, Elmer Marshall was born on June 16, 1930 in Midlothian, Illinois, United States. Son of Burt and Gertrude Esther (Miller) Johnson.
Diploma, Thornton Junior College, 1950. Bachelor of Science, Texas Agricultural and Mechanical University, 1953. Master of Science, Texas Agricultural and Mechanical University, 1954.
Doctor of Philosophy, University California, Berkeley, 1958.
Graduate teaching assistant Texas Agricultural and Mechanical University, College Station, 1952-1955. Research assistant Texas Agricultural and Mechanical Research Foundation, 1955. Teaching assistant College Medicine University California, Berkeley, 1955-1958.
Instructor Contra Costa College, San Pablo, California, 1958-1959. From instructor to associate professor College Medicine University Florida, Gainesville, 1960-1968, professor, acting chairman, 1968-1970. Professor development biology, chairman department anatomy College Medicine University California, Irvine, 1970-1972.
Professor, chairman, director Danial Baugh Institute Thomas Jefferson University, Philadelphia, 1972-1994, professor pathology, anatomy and cell biology, 1994-1998. Professor emeritus anatomy and development biology, 1997-1998. Retired, 1998
Member science advisory board Environmental Protection Agency.
Member science committee United States Department Army. Member committee for National Aeronautics and Space Administration space station toxicity National Academy of Sciences, since 1992. Founding president Argus Research Laboratories.
Member American Association for the Advancement of Science, American College Toxicology, European Teratology Society, Middle Atlantic Society Toxicology, Teratology Society (charter, president), Society Xenobiotics (charter), Society Toxicology (founding president reproduction and development specialty, section on reproductive toxicology), American Association Anatomy, Sigma Xi.
Married Marlys Claire Van Overstraeten, 1954 (divorced 1974). Children: Mark Dee, Kim Leah, Erik Marshall, Lora Marlys. Married Sharon Ann Coyle, May 9, 1976.