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David Staelin, 73, scientist, discoverer, entrepreneur

Dr. David H. Staelin, seen in this undated photo, founded one of the first videoconferencing companies, PictureTel Corp. Dr. David H. Staelin, seen in this undated photo, founded one of the first videoconferencing companies, PictureTel Corp.
By J.M. Lawrence
Globe Correspondent / December 12, 2011
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In the labs and classrooms of MIT, where he worked for more than a half century as a professor of electrical engineering and computer science, David H. Staelin lived by the maxim that you can accomplish a great deal if you don’t care who gets the credit. Dr. Staelin, who co-discovered the Crab Nebula Pulsar in 1968 as a radio astronomer and later pioneered air quality monitoring networks and video teleconferencing, died Nov. 10 in his Wellesley home of liver cancer, which was diagnosed in May. He was 73.

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