National Museum of Nuclear Science & History
Born in Kennewick in 1920, Annette Heriford grew up in Hanford, where her family farmed alfalfa and apples.
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.
G. R. McLeod worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harold W. Cottrill served in the 1027th Air Material Squadron.
