Rachel Carson (1907-1964) was a marine biologist who worked for the U.S. Bureau of Fisheries (later the U.S. Fish and Wildlife Service) while developing a career as a nature writer. She published her first book, Under the Sea-Wind, in 1941. After the success of her second book, The Sea Around Us, which won the National Book Award and the John Burroughs Medal in 1951, she resigned from government service to focus on her writing. Her third book, The Edge of the Sea, was published in 1957. Carson is best remembered for her groundbreaking 1962 book Silent Spring, which examined the detrimental effects of the insecticide DDT on wildlife. Despite opposition from the chemical industry, an investigation was ordered by President John F. Kennedy (1917-1962), and in 1963 Carson testified before Congress. She died of breast cancer the following year. DDT was banned with the passage of the federal Clean Water Act in 1972.