L. M. D’Alessio

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.

Martin Serena

M. Carey

M. Carey worked for the Roane-Anderson Company.

L. V. Keeley

Keeley worked for Stone and Webster Engineering Corporation.