Walter Sydney Adams, astronomer, former director of the Mount Wilson Observatory whose observations proved Albert Einstein's theory of relativity, 10 May 1956.

Dr. Robert Grant Aitken, 87, leading astronomer, 29 October 1951.

Dr. Oakes Ames, 75, botanist, 28 April 1950. Maj. Edwin H. Armstrong, 63, inventor of FM radio, 1 February 1954.

Liberty Hyde Bailey, 96, renowned botanist and agricultural educator, 26 December 1954.

Dr. Francis M. Baldwin, 66, leading biologist, 2 February 1951.

Lawrence Dale Bell, founder of Bell Aircraft Corporation, codesigner of experimental jet-powered Bell X-l and X-2 aircraft, 20 October 1956.

Dr. Charles F. Berkey, 88, former head of the geology department at Columbia University, a leader in applying geology to engineering, 22 August 1955.

Clarence Frank Birdseye, inventor and industrialist, developed methods of freezing and dehydrating foods, held more than five hundred patents, 7 October 1956.

Dr. Isaiah Bowman, 71, internationally famous geographer, 6 January 1950.

William H. Buell, 72, chemical engineer who developed the tracer bullet, 24 December 1950.

George Ashley Campbell, 83, physicist and research scientist, 10 November 1954.

Alfred Clark, 76, American-British inventor, associate of...