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National Museum of Nuclear Science & History

Curtiss Brennan is an American archaeologist who received his PhD in 1978. In the 1970s, he and his wife, Mary, moved next door to Dorothy McKibbin, striking up a friendship with her and eventually becoming the owners of her home when she passed away. Curtiss and his wife currently live in Santa Fe, NM.

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Denise Kiernan

Oak Ridge, TN

Denise Kiernan has worked as a journalist and producer. She is best known for The Girls of Atomic City, which came out in March 2013 and immediately shot to the top of the New York Times bestsellers list – and stayed there.

Mary Brennan

Santa Fe, NM

Mary Brennan lives in Santa Fe, New Mexico. She and her husband, Curtiss, moved next door to Dorothy McKibbin, the “Gatekeeper to Los Alamos.

Ronald Mickens

Ronald Mickens is a physicist who currently teaches at Clark Atlanta University. He is a prominent voice in the African American scientific community, and has written several works documenting the feats of previous black physicists, including The African American Presence in Physics, and Edward Bouchet: The First African-American Doctorate.

Robert Krauss

Robert “Bob” Krauss is the Official Historian of the 509th Composite Group. He and his wife, Amelia Krauss, published The 509th Remembered, which profiles the service members of the 509th Composite Group and the events that surrounded the group and its role in dropping the atomic bombs on Hiroshima and Nagasaki.