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Harold A. Rosen

American Jewish Inductees of the National Inventors Hall of Fame

Harold A. Rosen: Inducted into
the National Inventors Hall
of Fame-2003

by Seymour “Sy” Brody

Harold A. Rosen is an American Jewish inductee into the National Inventors Hall of Fame for his invention to spin a stabilized synchronous communications satellite.

He was born on March 20, 1926, in New Orleans, Louisiana. His parents, Isidore and Anne Vera Rosen, raised him during the depression in the 1930s. When he was growing up, Rosen was intrigued with math and science. In high school, he built a crystal radio and became a radio amateur. In college, he was a transmitter engineer for a local radio station.

In 1947, Rosen earned his B.E. from Tulane University. In 1948, He received his M.S. degree in electrical engineering and his Ph.D. degree in electrical engineering, both from the California Institute of Technology.

He began his career with Raytheon Manufacturing Company in 1948. Eight years later, Rosen joined Hughes Aircraft Company where he was involved in the development of high-power, wide-band airborne radars, including transmitters, tracking antennas and system design.

Rosen conceived and directed the construction of Syncom–the world’s first synchronous communication satellite. In later years, he gave direction for the development of the Advanced Syncom, which became the Applications Technology Satellite, which functioned for more than fifteen years in space.

He has more than 60 patents and has written many professional papers. Rosen has received many awards which included:
■ First Aerospace Communication Award from the American Institute of Aeronautics and Astronautics (AIAA), 1968

■ The Spacecraft Design of the Award from the AIAA, 1973
■ L. M. Ericsson International Prize for Communications, presented by the King of Sweden, 1976
■ Lloyd V. Berkner Award, 1976
■ Alexander Graham Bell Medal, 1982
■ National Medal of Technology, awarded by President Reagan, 1985
■ Inducted into the Society of Satellites Professionals International Hall of Fame, 1987
■ Arthur C. Clarke Award, in Sri Lanka, 1990
■ Draper Prize, 1995

Harold Rosen is married and they have two sons. He is a water enthusiast and is living in Santa Monica, California.

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