Blitzer passed away on 27 January (10) in Santa Monica, California after suffering complications from abdominal surgery.
The star was best known for his work on Hanna-Barbera cartoons including The Flintstones, Top Cat, and The Jetsons.
He also worked on 1970s children's TV show Land of the Lost and 1960s secret agent series Get Smart, both of which were turned into major Hollywood movies decades later.
Blitzer won an Emmy Award in 1956, along with his fellow writers, for his work on The Phil Silvers Show. He also shared a Writers Guild nomination in 1968 for Get Smart.
He is survived by his wife, Elsie, and a daughter.