Alexander Hamilton Thompson, was a historian. He was Professor of Medieval History at the University of Leeds from 1924 to 1939.

Abbott Lawrence Lowell was an American educator and legal scholar. He was President of Harvard University from 1909 to 1933.

Alice Muriel Williamson, who published chiefly under names the "C. N. and A. M. Williamson" and "Mrs. C. N. Williamson," was an American-English author.

Abraham Grace Merritt – known by his byline, A. Merritt – was an American Sunday magazine editor and a writer of fantastic fiction.

Arthur Stuart-Menteth Hutchinson, commonly known by his initials A. S. M. Hutchinson, was a British novelist.

Albert Venn Dicey, was a British Whig jurist and constitutional theorist. He is most widely known as the author of Introduction to the Study of the Law of the Constitution (1885). The principles it expounds are considered part of the uncodified British constitution. He became Vinerian Professor of English Law at Oxford, one of the first Professors of Law at the London School of Economics, and a leading constitutional scholar of his day. Dicey popularised the phrase "rule of law", although its use goes back to the 17th century.

Aiden Wilson Tozer was an American Christian pastor, author, magazine editor, and spiritual mentor. For his accomplishments, he received honorary doctorates from Wheaton and Houghton colleges.

Aaron David Bernstein was a German Jewish author, reformer and scientist.

Abbe Carter Goodloe was an American writer, sometimes credited as A. Carter Goodloe or Carter Goodloe.

Antoine François Prévost d'Exiles, usually known simply as the Abbé Prévost, was a French priest, author, and novelist.