William Richard Morris
— Noun
– English
～ British industrialist who manufactured automobiles and created a philanthropic foundation (1877-1963)
William Bradford
— Noun
– English
～ United States printer (born in England) whose press produced the first American prayer book and the New York City's first newspaper (1663-1752)
William S. Gilbert
— Noun
– English
～ a librettist who was a collaborator with Sir Arthur Sullivan in a famous series of comic operettas (1836-1911)
William Congreve
— Noun
– English
～ English playwright remembered for his comedies (1670-1729)
William Mitchell
— Noun
– English
～ United States aviator and general who was an early advocate of military air power (1879-1936)
William Pitt
— Noun
– English
～ English statesman who brought the Seven Years' War to an end (1708-1778)
William and Mary
— Noun
– English
～ joint monarchs of England; William III and Mary II
William Claire Menninger
— Noun
– English
～ United States psychiatrist and son of Charles Menninger (1899-1966)
William Schwenk Gilbert
— Noun
– English
～ a librettist who was a collaborator with Sir Arthur Sullivan in a famous series of comic operettas (1836-1911)
William of Occam
— Noun
– English
～ English scholastic philosopher and assumed author of Occam's Razor (1285-1349)
William Nunn Lipscom Jr.
— Noun
– English
～ United States chemist noted for his theories of molecular structure (born in 1919)
William Strickland
— Noun
– English
～ United States architect and student of Latrobe (1787-1854)
William I
— Noun
– English
～ duke of Normandy who led the Norman invasion of England and became the first Norman to be King of England; he defeated Harold II at the battle of Hastings in 1066 and introduced many Norman customs into England (1027-1087)
William Henry Fox Talbot
— Noun
– English
～ English inventor and pioneer in photography who published the first book illustrated with photographs (1800-1877)
William Tatem Tilden Jr.
— Noun
– English
～ United States tennis player who dominated men's tennis in the 1920s (1893-1953)
William Edward Burghardt Du Bois
— Noun
– English
～ United States civil rights leader and political activist who campaigned for equality for Black Americans (1868-1963)
William Styron
— Noun
– English
～ United States writer best known for his novels (born in 1925)
William Averell Harriman
— Noun
– English
～ United States financier who negotiated a treaty with the Soviet Union banning tests of nuclear weapons (1891-1986)