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 LEXINGTON, Mass., Jan. 12 /PRNewswire/ -- Fritz A. Gross, world renowned pioneer in the design and development of radar systems and holder of 31 patents worldwide including 17 in the marine electronics field, died at his home in
Westwood, MA on Tuesday, Jan. 12, 1993 of cancer. He was 82. Mr. Gross and his family were long time residents of Weston, Mass. and had only recently moved to Westwood.
 Mr. Gross was born in 1910 in Germany and moved to the U.S. in 1912 with his family. He graduated from Lowell Institute (MIT) in 1932.
 Mr. Gross joined the Raytheon Company in 1934 as the second engineer to be hired by the young company. In his early years with Raytheon he worked on a variety of programs ranging from amplifiers for early movie theaters to electronic measuring devices for the U.S. Navy.
 During the next 41 years he served in a number of engineering and management positions and at the time of his retirement in 1975 he was vice
president of engineering for Raytheon. Following his retirement he continued to work for Raytheon as a consultant until the time of his death.
 Dennis J. Picard, the Chairman of the Board and Chief Executive Officer of Raytheon said "Fritz Gross was an engineering genius whose brilliant and inquisitive mind was always years ahead of his time. He was one of the most gifted and dynamic leaders in American industry whose contributions to the
world have saved literally thousands of lives. Few people in modern history have left such an indelible and significant legacy as Fritz and the team he led."
 Mr. Gross' leadership in developing the first microwave search radar called the "SG" was a major factor in the American naval victory at Guadalcanal in the early days of WWII. U.S. Navy ships were the first afloat to have this radar and thus the first to be able to actually "see" at night.
 From his pioneering work in the development of the SG radar, of which more than 4000 were built during WWII, Mr. Gross helped develop the smaller and lighter weight "SO" radars for use in the famous PT boats, landing craft, and patrol boats. For these and his other accomplishments in the development of fire control radar, Mr. Gross was awarded the U.S. Navy's Certificate of Merit Commendation.
 In 1946 he served the Navy as technical advisor during the International Conference on Radio Aids to Marine Navigation and it was this conference that helped to develop the rules that now apply to all marine navigation throughout the world.
 In 1947, Mr. Gross was placed in charge of the radar engineering department for Raytheon's Equipment Engineering Division. The team he led designed and developed the Mariners Pathfinder radar for commercial vessels, applying wartime technology to peacetime uses.
 In the early 50's, Mr. Gross' department developed the Model 1500 Mariners Pathfinder radar. This was the first truly "compact" commercial radar for smaller ships and the predecessor of the small marine units now widely used by pleasure craft and fishing vessels.
 Although Mr. Gross also worked to advance the technology in communications, controls, microwave ovens, and fatigue testing, his principal contributions were in marine radar. He headed the engineering groups at Raytheon that developed bright display radar for large vessels, allowing bridge personnel to view the radar scope in daylight without a hood or shield.
 During his long and illustrious career with Raytheon, he also served as chief engineer, and later as manager of the Equipment Engineering Division, the manager of the Government Equipment Division's Wayland, Mass. Laboratory and its Surface Radar and Navigation Operation and as assistant general manager of the Equipment Division. He was elected a vice president of the company in 1960 and named general manager of the Equipment Division in 1962. In 1969 he was named vice president of engineering for Raytheon and served in that capacity until his retirement.
 As vice president of Engineering, and later as a consultant, he supervised the design and development of the Raytheon Collision- Avoidance radar System (RAYCAS) which tracks up to 20 ships simultaneously and automatically computes their points of closest approach to avoid collisions. Both the bright display and collision- avoidance radar systems are widely used today. Literally thousands of the bright display radars and RAYCAS systems have been produced and installed in ships worldwide.
 He was a member of the American Society of Naval Engineers and a registered professional engineer.
 In 1965 he was elected a Fellow of the Institute of Electrical and Electronics Engineers (IEEE) and cited for "pioneering in the development of early microwave radar and continuing contributions and leadership in that field." He was awarded an honorary doctor of engineering degree in 1975 from Northeastern University as a "distinguished scientist and engineering executive."
 In 1991 the Navy League of the United States presented Mr. Gross with its prestigious Albert A. Michelson Award "for his lifetime of contributions to our nation's maritime forces and to the enhancement of the U.S. industrial technology base."
 He had a lifetime love of classical music and opera and many other interests and activities as well.
 Mr. Gross leaves his wife Olive to whom he was married for 55 years; three daughters, Jane Gross and Martha Kapp of Newton Mass., and Susan Gross Bratman of Palo Alto, Calif. and four grandchildren.
 A memorial service will be held on Saturday, January 16th at 10:00 a.m. at the First Parish Church at 349 Boston Post Road, Weston, MA. Burial will be private.
 NOTE TO EDITORS: The Funeral Home for Mr. Gross is Freedom Wentworth and Sons, on Prospect Street in Waltham Mass. Phone is 617-894-0566.
 -0- 1/12/92
 /CONTACT: Pat Coulter of Raytheon Company, 617-860-2173/

CO: Raytheon Company ST: Massachusetts IN: ARO SU:

TM -- NE015 -- 4119 01/12/93 14:35 EST
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Date:Jan 12, 1993

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