William Allan Neilson was a Scottish-American educator, writer and lexicographer, graduated in the University of Edinburgh in 1891 and became a PhD in Harvard University in 1898. He was president of Smith College between 1917 and 1939.
William Allen White was an American newspaper editor, politician, author, and leader of the Progressive movement. Between 1896 and his death, White became a spokesman for middle America.
William Allingham was an Irish poet, diarist and editor. He wrote several volumes of lyric verse, and his poem "The Faeries" was much anthologised. But he is better known for his posthumously published Diary, in which he records his lively encounters with Tennyson, Carlyle and other writers and artists. His wife, Helen Allingham, was a well-known watercolourist and illustrator.
William Amasa Scott was an American economist and one of the leading representatives of the marginalist school.
William Andrew Chatto (1799–1864) was an English writer. He used the pseudonym Stephen Oliver (Junior).
William Angus Knight was a Scottish Free Church minister and author and Professor of Moral Philosophy at St Andrews University. He created the Lady Literate in Arts qualification.
William Archer Butler (c. 1814 – 5 July 1848) was an Irish historian of philosophy.
William Archibald Dunning was an American historian and political scientist at Columbia University noted for his work on the Reconstruction era of the United States. He founded the informal Dunning School of interpreting the Reconstruction era through his own writings and the Ph.D. dissertations of his numerous students. Dunning has been criticized for advocating white supremacist interpretations, his "blatant use of the discipline of history for reactionary ends" and for offering "scholarly legitimacy to the disenfranchisement of southern blacks and to the Jim Crow system."
William Armstrong Fairburn was an American writer, naval architect, marine engineer, industrial executive, and chemist.
William Arnall (died May 1736) was an English political writer.