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Donald B. Sinclair

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Donald B. Sinclair: Biography

Born: 23 May 1910

Died:

Donald B. Sinclair, who resides at Crescent Road, Concord, Mass, was born in Winnipeg, Manitoba, Canada, on May 23, 1910. He was educated at the University of Manitoba, in 1926-1929, and then transferred to the Massachusetts Institute of Technology, where he received the degree of S. B. in 1931, the S.M. in 1932, and the Sc.D. in 1935.

Dr. Sinclair has been associated with the Bell Telephone Laboratories and the New York Telephone Company in New York, and with the Western Electric Company at Hawthorne. In 1927 he was associated with the Western Canada Airways as a radio operator.

He joined the General Radio engineering staff in 1936, becoming the assistant chief engineer in 1944. In 1950 he was appointed to the position of chief engineer in that company. His work has been mainly on the general development and design of high-frequency measuring instruments for which he received the IRE Fellow Award in 1943.

During World War II, Dr. Sinclair worked in the Countermeasures Division and Guided Missiles Division of NDRC, receiving the President's Certificate of Merit for outstanding services.

Dr. Sinclair has been a member of the Board of the Institute of Radio Engineers since 1945, and has been active on a number of its committees such as: Antennas, Awards, Executive, Papers, Planning, Radio Transmitters, and Television. In 1945-1946, he was the Institute Representative on the Radio Technical Planning Board, and in 1949-1950 he was the IRE Treasurer. Sinclair was IRE president in 1952. Dr. Sinclair is a Fellow of the American Institute of Electrical Engineers, a member of the American Association for the Advancement of Science, and Sigma Xi.