Smithsonian Institution
Smithsonian American Art Museum: George Grey Barnard
As part of the Smithsonian Art Museum's database of artists, this site provides biographical information on George Grey Barnard in addition to an extensive listing of his works as displayed at the museum.
PBS
Pbs: Christiaan Barnard
This site, which is provided for by PBS, gives an article about Christian Barnard's heart transplant accomplishments.