John Blumenthal | |
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| Born | 1949 (age 74–75) Middletown, Orange County, New York, U.S. |
| Occupation | Writer |
| Alma mater | Tufts University |
| Period | 1984–present |
| Genre | Fiction, nonfiction, screenwriting |
John Blumenthal (born 1949) is an American novelist and screenwriter, known for co-writing the screenplays for the films Short Time and Blue Streak.