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Harold Rosen
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Harold Rosen

American engineer
Also known as: Harold Allen Rosen
Written by
Erik Gregersen
Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the...
Erik Gregersen
Fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
Britannica Editors
History

Harold Rosen (born March 20, 1926, New Orleans, Louisiana, U.S.—died January 30, 2017, Pacific Palisades, California) was an American engineer who designed Syncom 2, the first geosynchronous communications satellite. Rosen received a bachelor’s degree in electrical engineering from Tulane University in New Orleans in 1947. Beginning in 1948, he worked at Raytheon Manufacturing Company (now Raytheon Company). He received a master’s degree (1948) and a doctorate (1951) in electrical engineering from the California Institute of...

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