George Edward Challenger, better known as Professor Challenger, is a fictional character in a series of science fiction stories by Sir Arthur Conan Doyle. Unlike Conan Doyles laid-back, analytic character, Sherlock Holmes, Professor Challenger is an...
Edward Dunn Malone is a fictional character in a series of science fiction stories by Sir Arthur Conan Doyle. He is a reporter of the Daily Gazette and a friend of Professor Challenger....
Lord John Roxton is a world-famous sportsman and traveler....
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