History of the United States 6–3 decision in Korematsu v. United States Supreme Court case. Research and development took flight as well, best seen in the Manhattan Project, a secret effort to harness nuclear fission to produce highly destructive atomic bombs. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the U.S. Army Corps of Engineers. Nuclear physicist J. Robert Oppenheimer was the director of the Los Alamos Laboratory that designed the actual bombs. The first nuclear device ever detonated was an implosion-type bomb at the Trinity test, conducted at New Mexico's Alamogordo Bombing and Gunnery Range on
Hiroshima National Peace Memorial Hall for the Atomic Bomb Victims Hiroshima National Peace Memorial Hall for the Atomic Bomb Victims Hiroshima National Peace Memorial Hall for the Atomic Bomb Victims is one of the National Memorial Halls in Hiroshima, Japan. The Hall was founded by the Japanese national government to mourn the atomic bomb victims in 2002. It was designed by Kenzo Tange. There is another National Peace Memorial Hall for the Atomic Bomb Victims in Nagasaki built for the same purpose. The Hall is in Hiroshima Peace Memorial Park near Hiroshima Peace Memorial across the "Motoyasu River" by "Motoyasu Bridge". The Hall curators are collecting atomic bomb memories and