National Museum of Nuclear Science & History
Theodore Joseph Blechar was born on May 4, 1922 in Brooklyn, New York. His parents, Eugene and Stella Blechar, were Polish immigrants.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Charles C. Lauritsen was a Danish-born American physicist. Lauritsen and his wife Sigrid and son Thomas emigrated to the United States in 1916.