The great Professor Challenger has been — very improperly and imperfectly — used in fiction. A daring author placed him in impossible and romantic situations in order to see how he would react to them. He reacted to the extent of a libel action, an abortive appeal for suppression, a riot in Sloane Street, two personal assaults, and the loss of his position as lecturer upon Physiology at the London School of Sub-Tropical Hygiene