Carson, Rachel Louise (1907-64), American marine biologist, author of widely read books on ecological themes. Born in Springdale, Pennsylvania, and educated at the former Pennsylvania College for Women and Johns Hopkins University, she taught zoology at the University of Maryland from 1931 to 1936. She was aquatic biologist at the U.S. Bureau of Fisheries and its successor, the Fish and Wildlife Service, from 1936 to 1952. Her books on the sea, Under the Sea Wind (1941), The Sea Around Us (1951), for which she was awarded the 1952 National Book Award in nonfiction, and The Edge of the Sea (1955), are praised for beauty of language as well as scientific accuracy. In Silent Spring (1962), she questioned the use of chemical pesticides and was responsible for arousing worldwide concern for the preservation of the environment.