Timothy Field Allen, 65, botanist, studied mainly Characeae, a group of algae, 5 December 1902.

Philip Danforth Armour, 69, meatpacking pioneer who adopted assembly-line methods for processing meat, 6 January 1901.

Wilbur Olin Atwater, 63, director of the first agricultural experiment station at Middletown, Connecticut, from 1875 to 1877, inventor (with E. B. Rosa) of the Atwater- Rosa calorimeter, 22 September 1907.

Hans Herman Behr, 86, entomologist and botanist, studied butterflies of California, 6 March 1904.

Alexander Melville Bell, 86, father of Alexander Graham Bell and founder of the scientific study of speech who devised a physiological alphabet that visually represented the sounds of the human voice, 7 August 1905.

Lorin Blodget, 78, climatologist, conducted early research on atmospheric physics, 24 March 1901.

Henry Carrington Bolton, 60, chemist, researched compounds of uranium, 19 November 1903.

DeWitt Bristol Brace, 42, physicist who studied the factors affecting the velocity of light propagated through matter, 2 October 1905.

William Keith Brooks, 60, invertebrate marine zoologist, 12 November 1908.

Lafayette Houghton Bunnell, 79, explorer who discovered and named the Yosemite Valley, 21 July...