Task: Text Categorization
Input (English): This man came dangerously close to losing most of his money investing in an invention by the  "Austrian Edison", Jan Szczepanik. Although his namesake Memory Builder game failed to find an audience, he found mild success with a patented Self-Pasting Scrap Book. He lost big investing in a new method for engraving called Kaolatype and in James W. Paige's imperfect (*) typesetting machine. This man's publishing house produced an unpopular biography of Pope Leo XIII which erased much of the profit it earned from publishing the memoirs of his close friend, Ulysses S. Grant. This author of "King Leopold's Soliloquy" served as vice-president of the American Anti-Imperialist League. For 10  points, name this author of non-fiction work like Following the Equator and A Tramp Abroad.
Output (English): History