Today in History: Born on October 1

1837 Robert Gould Shaw, commander of the 54th Massachusetts Regiment during America's Civil War.

1904 Vladimir Horowitz, Russian-born American virtuoso pianist.

1924 Jimmy Carter, 39th president of the U.S. (1977-1981)

1932 Albert Collins, guitarist.

1935 Julie Andrews (Julia Elizabeth Wells), actress and singer whose films include Mary Poppins and The Sound of Music.

1946 Tim O'Brien, novelist (The Things They Carried, In the Lake of the Woods).

1947 Dave Arneson, game designer; co-created Dungeons & Dragons roleplaying game with Gary Gygax, establishing the roleplaying game genre.

1950 Randy Quaid, actor (The Last Detail; won Golden Globe for his portrayal of Pres. Lyndon Johnson in LBJ: The Early Years).

1955 Jeff Reardon, pro baseball pitcher known as "The Terminator" for his intimidating pitching mound presence and 98 mph fastball.

1963 Mark McGwire, "Big Mac," pro baseball player who broke Roger Maris' single-season home run record; admitted in 2010 to using performance-enhancing drugs throughout his career.