M. J. Holman

Otto Frisch

Otto Frisch (1904-1979) was an Austrian-born physicist.  Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.

Christine Standifer

Mary Lou Curtis

Mary Lou Curtis joined the Manhattan Project in Dayton, Ohio in 1943. Mrs. Curtis worked in the Counting Room at Monsanto’s Unit III facility, where she developed new methods to measure and analyze radioactive materials, such as polonium, which was used as the trigger for the atomic bombs.

F. E. Hawkins