Source Albert Arnheiter (Wikipedia)
Source Alfred Lane (Wikipedia)
Source Arvo Aaltonen (Wikipedia)
Source Avery Brundage (Wikipedia)
Source Camillo Ugi (Wikipedia)
Source Carl Møller (Olympedia)
Source Cecil Healy (Wikipedia)
Source Daniel Norling (Wikipedia)
Source Wikipedia, Duke Kahanamoku
Source Edith Hannam (Olympedia)
Source Einar Liberg (Wikipedia)
Source Ejler Allert (Wikipedia)
Source Eric Lemming (Wikipedia)
Source Francesco Ruggero (Wikipedia)
Source George Hodgson (Wikipedia)
Source Giorgio Zampori (Wikipedia)
Source Gösta Åsbrink (Wikipedia)
Source Greta Johansson (Wikipedia)
Source Harold Hardwick (Wikipedia)
Source Harry Hebner (Wikipedia)
Source Helen Aitchison (Wikipedia)
Source Henri Decoin (Wikipedia)
Source Hermann Wilker (Wikipedia)
Source Imre Zachár (Wikipedia)
Source Irene Steer (Wikipedia)
Source István Déván (Wikipedia)
Source Jennie Fletcher (Wikipedia)
Source Jenő Fuchs (Wikipedia)
Source Julius Hirsch (Wikipedia)
Source Mel Sheppard (Wikipedia)
Source Nedo Nadi (Wikipedia)
Source Ödön Bodor (Wikipedia)
Source Oscar Swahn (Wikipedia)
Source Oswald Holmberg (Wikipedia)
Stated in the cited article.
Source Otto Herschmann (Wikipedia)
Source Paul Anspach (Wikipedia)
Source Paul Radmilovic (Wikipedia)
Source Ralph Rose (Olympedia)
Source John Derbyshire (swimmer) (Wikipedia)
Source Wikipedia, Torben Grael
Source Vahram Papazyan (athlete) (Wikipedia)
Source Victor Boin (Wikipedia)
Source Walter Bathe (Olympedia)
Source Walter W. Winans (Wikipedia)