- Country: USA
- Genres: Adventure, Comedy, Mystery
- Release: 1982-03-23
- Director: N/A
- Writers: John Hawkesworth
- Language: English
- Stars: Sam Waterston , A.C. Weary , George Innes , Caroline Langrishe , Julian Glover , Sarah Berger , Burt Kwouk , Paul Freeman
(I) , Ian Ogilvy , Peter Cellier
- Runtime: 60 min
- Awards: N/A
- AKA: Mastermind , Profesor Q.E.D. (Poland) , Q.E.D. , Q.E.D. , Profesor Q.E.D. czyli quod erad demontrandum (Poland) , Q.E.D. (United States of America)
- Plot:
In 1912, Quentin E. Deverill, an eccentric expatriate American professor, uses his unique skills to solve mysteries in London.
- IMDB:tt0083468
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