National Museum of Nuclear Science & History
Leo A. Ortega, Jr. served in the 393rd Bombardment Squadron.
Monroe Feder was born on February 19, 1919 in Irvington, New Jersey. In 1943, he graduated from New York University.
Jean Cooper was an engine mechanic in the 393rd Bomber Squadron of the 509th Composite Group serving in both Wendover, Utah and Tinian Island in the Pacific.
Jay Wechsler enlisted in the Army in 1943 and spent several months at Oak Ridge working as an Army construction engineer, In the winter of 1943, he was suddenly transferred to Los Alamos, where he began working directly with Otto Frisch.
