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,...