. . . . . . . . . . . . . . . "American"@en . . . . . . "Harry Diamond Award"@en . "1904-08-24"^^ . . . . "21290"^^ . . . . . . . . . . . "Signal Corps Laboratories"@en . . . "1930"^^ . "25256110"^^ . . . . . . . . . ""@en . . . "Harold Adelbert Zahl (August 24, 1904 \u2013 March 11, 1973) was an American physicist who had a 35-year career with the U.S. Army Signal Corps Laboratories, where he served as the director of research at Fort Monmouth and made major contributions to radar development. He is perhaps most famous for inventing the GA-4 Transmitter-Receiver Tube and the VT-158, which became known as the Zahl tube."@en . . . . . . ""@en . "Reflection of Cadmium and Zinc Atoms from Sodium Chloride Crystals"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . "Harold A. Zahl"@en . . . "Harold Adelbert Zahl (August 24, 1904 \u2013 March 11, 1973) was an American physicist who had a 35-year career with the U.S. Army Signal Corps Laboratories, where he served as the director of research at Fort Monmouth and made major contributions to radar development. He is perhaps most famous for inventing the GA-4 Transmitter-Receiver Tube and the VT-158, which became known as the Zahl tube."@en . . . "Army Decoration for Exceptional Civilian Service"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1113595050"^^ . "1904-08-24"^^ . . . . . . . . . . . ""@en . . . "1973-03-11"^^ . . . . . . . . . . "University of Iowa"@en . . . . . "1973-03-11"^^ . . . . . . "North Central College"@en . . . . . . . . . . . . . .