Typed onto a piece of paper attached to the image: "Howard Hughes and his four companions honored at the National Press Club. Howard Hughes is speaking, with Mayor La Guardia and Secretary of State Cordell Hull at lower right. July 1938."
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide lists the steps required to conduct atmospheric and underground bomb tests.
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Underground nuclear test execution sequence"
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Nevada operations office interagency relationships"
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide reads, "Total announced tests and radiation measured off the test range complex"
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide reads, "Total announced tests and radiation measured off the test range complex"