Gustav Eckstein was an American medical doctor, dentist, writer, scientist, and professor.
Eckstein was born on 26 October 1890 in Cincinnati, Ohio, USA.
[2] The character of Prof. Metz in Kaufman and Hart's 1939 play The Man Who Came to Dinner is based on Eckstein, only with cockroaches in the place of canaries.
[citation needed] In the 1993 film Groundhog Day, Phil Connors, the character played by Bill Murray, is seen reading the book The Body Has a Head.
The book can also be seen laying on the psychotherapist’s (played by Robin Williams) coffee table in the 1997 movie Good Will Hunting.