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Granville Stanley Hall (February 1, 1844 – April 24, 1924 [1]) was an American psychologist and educator who earned the first doctorate in psychology awarded in the United States of America at Harvard College in the nineteenth century. His interests focused on human life span development and evolutionary theory.
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The Raytheon Company was a major U.S. defense contractor and industrial corporation with manufacturing concentrations in weapons and military and commercial electronics. Founded in 1922, it merged in 2020 with United Technologies Corporation to form Raytheon Technologies, [3] which changed its name to RTX Corporation in July 2023.
On Wednesday, RTX Corporation (NYSE:RTX) said Raytheon has secured a three-year, two-phase contract from DARPA to develop foundational ultra-wide bandgap semiconductors. These will be based on ...
RTX Corporation, formerly Raytheon Technologies Corporation, [3] [4] is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.
D. C. Heath and Company was an American publishing company specializing in textbooks. [1] It was founded in 1885 in Boston by Edwin Ginn and Daniel Collamore Heath [2] and was later located at 125 Spring Street in Lexington, Massachusetts. [3]
Raytheon Missiles & Defense (RMD) was one of four business segments of RTX Corporation. Headquartered in Tucson, Arizona, its president was Wes Kremer. [ 1 ] The business produced a broad portfolio of advanced technologies, including air and missile defense systems, precision weapons, radars, and command and control systems. [ 2 ]
Raytheon Subminiature Tube (CK5676 shown)- Made the proximity fuze possible in wartime and the portable hearing aid possible in peacetime The proximity fuze was a small device on an artillery shell that would detonate the shell when close to the target, without requiring a difficult direct hit. [ 3 ]