Enrico Fermi
Fermi was another scientist involved in the Manhattan Project. He had studied theoretical physics at the University of Pisa for four years, then continued his studies in the universities of Leyden and Gottingen. All of his life accomplishments were in theoretical physics and experimental physics.
Leo Szilard
In WWI, Szilard was part of the Hungarian military, later studying electrical engineering and physics in Budapest. He did this before studying under Eistein, Max Planck, and Max von Laue. In 1923, he began carrying out x-ray expiraments. The year after that he got a job as Laue's assistant in the Institute of Theoretical Physics in Berlin. He was one of the many scientists involved in the Manhattan Project.
Leslie R. Grooves
Grooves went to the University of Washington for a year and then attended the Massachuetts Institute of Technology for two years before going to West Point, where he graduated in 1918. He got a job in the Engineers and took classes at the Engineers School, Camp Humphreys, which is now called Fort Belvoir, in Virginia, from 1918 to 1921. He took time out for a short time in France during WWI.
Franklin D. Roosevelt
FDR was the 32nd president of the United States, having a term during WWII and the Great Depression. He had a twelve-year term.
Robert Oppenheimer
Oppenheimer was the head of the Manhattan Project and was a physicist. He died at the age pf sixty-three.