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Frank Sada Menchaca was born April 3, 1919. He served as a U.S. Army Military Police soldier assigned to Military Police Detachment No. 2 at Richland, Washington, where he helped guard the Hanford Engineer Works during and after the Manhattan Project. He originally trained with Company A, 744th Military Police Battalion beginning in 1942 before […]

Emmett Ward Morey was born 17 September 1895 in Elvaston, Illinois. In 1918, he moved to Zion, Illinois with his wife Mary and had two sons, Paul and David. Emmett had worked as an accountant both before and after the war. When his youngest son, David, was in high school, Emmett moved his family to […]

Staff Sergeant Edward F. O’Mara enlisted in the U.S. Army in 1942. Because of a blood condition, Army officials determined that he was not fit for combat duty. After serving at several military installations, he was assigned to Camp Luna, a training facility near Las Vegas, New Mexico. One day, his commanding officer pulled him […]

Walter S. Marsh was born in Suffern, NY in July 1919 to Archibald & Amelia Marsh.  He married his wife Alice (Perry) Marsh in approx. 1939 at 20 years old.  Walter joined the U.S. Army in May 1944 & was a part of the Special Engineers Unit in Los Alamos. He is directly quoted in […]

Philip McL. Stehle was an influential American theoretical physicist whose academic career spanned much of the mid-to-late 20th century. Born on March 3, 1919, he completed his bachelor’s degree at the University of Michigan before earning a Ph.D. in physics from Princeton University with a thesis on “Star Streaming,” supervised by prominent mathematician Howard Percy “Bob” […]

August 23, 2025 Newsletter This month the world recognized the 80th anniversary of the development and use of the atomic bombs on Japan in 1945. People from around the globe gathered at Hiroshima and Nagasaki and floated lanterns with messages of peace. The three Manhattan Project National Historical Park sites also commemorated the anniversary with […]

This issue looks at Vannevar Bush’s legacy of Federal funding for basic scientific research as the Trump administration cuts back on funding. The Department of Energy’s Chris Wright is calling for a “Manhattan Project 2” to ensure American predominance in artificial intelligence and to jump-start a long-awaited renaissance for nuclear energy. Oak Ridge National Laboratory is at […]

December 20, 2024 Newsletter As 2024 comes to an end, nuclear power is poised for a resurgence. This issue traces the beginnings of civilian nuclear power in the USA in the decades following World War II. For twenty years, the USA led the world in developing the blueprint for nuclear power reactors. As former Chairman […]

August 5, 2024 Newsletter This month, the Atomic Heritage Foundation recognizes the 79th anniversary of the first atomic bombs and the National Park Service’s “Days of Peace and Remembrance” at the three Manhattan Project National Historical Park sites. Other activities in August include a variety of programs at Oak Ridge, an Oppenheimer Festival 2024 at Los Alamos, and tours […]

April 4, 2024 Newsletter The movie “Oppenheimer” won seven Academy Awards, creating a “Big Bang” in the media. On March 10, the BBC’s Dan Snow produced a History Hits podcast on “Oppenheimer vs Einstein,“ interviewing the Atomic Heritage Foundation’s Cindy Kelly. Japan’s NHK produced a documentary about Edgar Sengier, “Mystery Man of the A-Bomb.“ In March, “A Compassionate Spy” featured Theodore A. […]