Roger Adams was an American organic chemist who developed the eponymous Adams' catalyst, and helped determine the composition of natural substances such as complex vegetable oils and plant alkaloids. He isolated and identified CBD in 1940. As head of the Department Chemistry at the University of Illinois from 1926 to 1954, he influenced graduate education in America, taught over 250 Ph.D. students and postgraduate students, and served in military science during World War I and World War II.