John Harshman
John Harshman is a game designer who has worked primarily on role-playing games. Career. In 1975, Game Designers' Workshop published "Triplanetary" by Harshman and Marc Miller. Harshman, Frank Chadwick, and Loren Wiseman helped Miller design "Traveller" and the game was published in 1977. Harshman had been overseeing the direction of "Traveller"'s Imperium in-house, and as GDW licensed "Traveller" to other companies, he became the contact man for these various publishers. Personal life. Harshman earned a doctorate in zoology and now lives in California.