Painter John Butler Yeats was the father of poet William Butler Yeats and artist Jack Butler Yeats. His portrait of John O'Leary is considered his best work.
Buddy Holly was a singer/songwriter whose records, conveying a sense of the wide-open spaces of West Texas and unstoppable joie de vivre, remain vital today.
Al Lewis was an entertainer who was best known for his role as Grandpa, the elderly vampire in a family of monsters, in the 1964 sitcom The Munsters.
Ornithologist Ernst Mayr demonstrated that the development of separate species in higher animals depends on the geographical isolation of precursor populations.
Mexican-American musician Ritchie Valens is best known for his hit "La Bamba." His successful career was cut short when he died in a plane crash at age 17.
Woodrow Wilson, the 28th U.S. resident, led America through World War I and crafted the Versailles Treaty's "Fourteen Points," the last of which was creating a League of Nations to ensure world peace. Wilson also created the Federal Reserve and signed the 19th Amendment, allowing women to vote.