National Museum of Nuclear Science & History
Tommie Richardson was a staff worker at Los Alamos during the Manhattan Project.
Howard H. Stevans served in the 390th Air Service Group.
Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William Floyd Hartshorn, Jr. was a lead pilot of the 216th flight test section at Wendover, Utah. Early Life Hartshorn was born on July 28, 1918 in McAllen, Texas.