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Mark Gruenwald was born on June 18, 1953 in Oshkosh, Wisconsin, USA as Mark Eugene Gruenwald. He was a writer, known for Questprobe: The Hulk (1984) and The Anti Gravity Room (1995). He died on August 12, 1996 in Pawling, New York, USA.

Conocído por

Questprobe: The Hulk - Writer - 1984 The Anti Gravity Room - Himself - 1995