Oppenheimer and Groves at Ground Zero ID: 3319 | This file appears in: The Trinity Site and the First Atomic Bomb Dr. Oppenheimer and General Groves inspect “ground zero” and the remains of the large tower which held Jumbo after the blast. Photograph courtesy of and used with permission by the National Security Research Center at Los Alamos National Laboratory. Download Original File "Oppenheimer and Groves at Ground Zero" appears in: The Trinity Site and the First Atomic Bomb