http://www.rssboard.org/rss-specification 720 XTF Search Results (expand=subject;f1-subject=People;f2-associated-Lesson=Gamma Ray History) http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f1-subject%3DPeople;f2-associated-Lesson%3DGamma%20Ray%20History Results for your query: expand=subject;f1-subject=People;f2-associated-Lesson=Gamma Ray History Thu, 01 Jan 1970 12:00:00 GMT Ranch school students display their hunting success. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Ranch_School_Students_05613/Ranch_School_Students_05613.dc.xml Hunting expeditions were a regular occurrence at the Ranch school. Six students stand or kneel before their captures. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Ranch_School_Students_05613/Ranch_School_Students_05613.dc.xml Thu, 01 Jan 1970 12:00:00 GMT Luis Alvarez. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/apf1-00154/apf1-00154.dc.xml http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/apf1-00154/apf1-00154.dc.xml Sat, 15 Apr 1905 12:00:00 GMT Ernest O Lawrence. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/apf1-03691/apf1-03691.dc.xml Ernest O Lawrence sitting at his desk in his office. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/apf1-03691/apf1-03691.dc.xml Thu, 01 Jan 1970 12:00:00 GMT Signing of the Nuclear Test Ban Treaty, 10/07/1963. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Kennedy_TestBanTreaty/Kennedy_TestBanTreaty.dc.xml U.S. Senators look on as President John F Kennedy sits at a desk in the Treaty Room of the White House and signs the Limited Test Ban Treaty. On August 5, 1963, the Limited Test Ban Treaty was signed by the United States, Great Britain, and the Soviet Union. After Senate approval, it was signed by President Kennedy on October 7, 1963. The treaty went into effect on October 11, 1963, and banned nuclear weapons testing in the atmosphere, in outer space, and under water. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Kennedy_TestBanTreaty/Kennedy_TestBanTreaty.dc.xml Mon, 07 Oct 1963 12:00:00 GMT Robert Oppenheimer receiving the Enrico Fermi Award from President Lyndon B. Johnson. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Oppenheimer_receives_Enrico_Fermi_Award_from_LBJ_91250/Oppenheimer_receives_Enrico_Fermi_Award_from_LBJ_91250.dc.xml President John F. Kennedy awarded Oppenheimer the Fermi Award for his contributions to theoretical physics. President Johnson (on the right) shakes hands with Oppenheimer as he presents the award about one week after President Kennedy’s assassination. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Oppenheimer_receives_Enrico_Fermi_Award_from_LBJ_91250/Oppenheimer_receives_Enrico_Fermi_Award_from_LBJ_91250.dc.xml Thu, 01 Jan 1970 12:00:00 GMT