Monsanto Monsanto The Monsanto Company () was an American agrochemical and agricultural biotechnology corporation that existed from 1901 until 2018 when it was acquired by Bayer. It was headquartered in Creve Coeur, Missouri. Monsanto developed Roundup, a glyphosate-based herbicide in the 1970s, and became a major producer of genetically engineered crops. Monsanto was one of four groups to introduce genes into plants (1983), and was among the first to conduct field trials of genetically modified crops, (1987). It was one of the top 10 U.S. chemical companies until it divested most of its chemical businesses between 1997 and 2002, through a
Monsanto James Conant, president of Harvard University and chairman of the National Defense Research Committee (NDRC). They urged Thomas to become co-director of the Manhattan Project at Los Alamos with Robert Oppenheimer, but Thomas was reluctant to leave Dayton and Monsanto. He joined the NDRC, and Monsanto's Central Research Department began to conduct related research. To that end, Monsanto operated the Dayton Project, and later Mound Laboratories, and assisted in the development of the first nuclear weapons. In 1946, Monsanto developed and marketed "All" laundry detergent, which they sold to Lever Brothers in 1957. In 1947, its styrene factory was destroyed