National Museum of Nuclear Science & History
Lemmon was a Technical Sergeant who worked at Hanford during the Manhattan Project.
George Washington Stoker was born to Fred and Katharine Stoker on February 22, 1896, in Manitowoc, Wisconsin.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.