Barbara W. Tuchman, American historian and author (died 1989)

Barbara Wertheim Tuchman was an American historian, journalist and author. She won the Pulitzer Prize twice, for The Guns of August (1962), a best-selling history of the prelude to and the first month of World War I, and Stilwell and the American Experience in China (1971), a biography of General Joseph Stilwell.

January 30 is the 30th day of the year in the Gregorian calendar; 335 days remain until the end of the year.