Biographies of notable people — their path, achievements and key facts.

Sandra Day O'connor
Born: August 26, 1930 El Paso, Texas American Supreme Court justice In 1981 Sandra Day O'Connor became the first woman to serve as a justice in t...
Donald O'connor
Born Donald David Dixon Ronald O'Connor, August 28, 1925, in Chicago, IL; died of heart failure, September 27, 2003, in Woodland Hills, CA. Singer, dancer, and actor. Donald O'Connor was a...
Catherine O'hara
Actress and writer Born March 4, 1954, in Toronto, Ontario, Canada; naturalized U.S. citizen; married Bo Welch (a production designer and art director), 1992; children: two ...
Seane O'keef
Chancellor at Louisiana State University and former NASA admistrator Born Sean Charles O'Keefe, January 27, 1956, in Monterey, CA; son of Patrick Gordon (a U.S. Navy nuclear subma...

Georgia O'keeffe
Born: November 15, 1887 Sun Prairie, Wisconsin Died: March 6, 1986 Santa Fe, New Mexico American painter The American...
Buck O'neil
Born John Jordan O'Neil, Jr., November 13, 1911, in Carrabelle, FL; died October 6, 2006, in Kansas City, MO. Professional baseball player, coach, and scout. While Buck O'Neil was a star p...
Buck O'neil
John Jordan "Buck" O'Neil (1911–2006) loved baseball, and immersed himself in the game from age 12 to 94. A standout Negro League player and two-time batting champion, O'...

Eugene O'neill
Born: October 16, 1888 New York, New York Died: November 27, 1953 Boston, Massachusetts American playwright Eugene O'...

Joyce Carol Oates
Born: June 16, 1938 Lockport, New York American writer and poet One of the United States's most prolific (producing a lot of work) and versatile ...
Barack Obama
United States senator Born August 4, 1961, in Hawaii; son of Barack Obama, Sr. and Ann Dunham; married Michelle Robinson, 1992; children: Malia, Sasha. Education: ...

Barack Obama
August 4, 1961. • Honolulu, Hawaii Politician Illinois voters sent a Democratic newcomer, Barack Obama, to one of the state's two seats in the U.S. Senate in 2004. Obam...
Obituaries
The following people, appearing in volumes 1-26 of the Encyclopedia of World Biography , have died since the publication of the second edition and its supplements. E...
Lorena Ochoa
Professional golfer Born Lorena Ochoa, November 15, 1981, in Guadalajara, Mexico. Addresses: Contact —c/o Monica Morrón, Mar Caspio 2130–24, ...

Emeka Okafor
September 28, 1982 • Houston, Texas Basketball player Emeka Okafor ended his first season with the Charlotte Bobcats, the North Carolina team of the National Basketball...
Michael Babatunde Olatunji
Nigerian drummer Michael Babatunde Olatunji (1927–2003), though less well known than other African musicians who have exported their traditions to the West, deserves recognition as...
Mark Oliphant
Mark Oliphant (1901–2000) was considered a great leader in the sciences, one who inspired his students by his own show of zeal for his research and his positive view of life in gen...

Laurence Olivier
Born: May 22, 1907 Dorking, England Died: July 11, 1989 Amhurst, England English actor and director Laurence Olivier,...
Olufunmilayo Olopade
Physician, oncologist and geneticist Born c. 1957 in Nigeria; married Christopher Sola Olopade (a physician); children: two daughters, one son. Religion: ...
Sigrid Olsen
Fashion designer Born in 1953, in Connecticut; daughter of a painter; married first husband, 1974 (divorced); married Curtis Sanders (a textile company executive), July, 200...

Jacqueline Kennedy Onassis
Born: July 28, 1929 Southampton, New York Died: May 19, 1994 New York, New York American first lady and editor An int...