Henry Adams, 80, American historian, 27 March 1918.

Col. John Jacob Astor, 48, drowned aboard the Titanic after helping his ailing wife and other women to life-boats, 15 April 1912.

Hubert H. Bancroft, 85, American historian, 2 March 1918.

Isabel Hayes Chapin Barrows, 68, physician and social reformer, 15 October 1913.

Clara Barton, 90, founder of the American Red Cross, 12 April 1912.

Frank Baum, 63, author of the Oz books, 6 May 1919.

John Shaw Billings, 74, physician, social reformer, and sanitarian, 11 March 1913.

Elizabeth Blackwell, 89, first American woman to earn a medical degree; also a noted public health advocate and medical educator, 31 May 1910.

James Buchanan "Diamond Jim" Brady, 60, famously lavish railroad equipment entrepreneur and Broadway bon vivant, 13 April 1913.

Simon Brentano,...