National Museum of Nuclear Science & History
Attended the University of Oklahoma.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
Betty Maskewitz arrived in Oak Ridge in the summer of 1944 with her husband, who worked at the site. She was an elementary school teacher.
Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.