Frequent Disney and Pixar screenwriter Daniel Gerson has passed away. His family has announced that the screenwriter died of brain cancer at his home in Los Angeles.

The screenwriter co-wrote Disney's "Big Hero 6" with frequent collaborator Robert L. Baird. The film, loosely based on the Marvel superhero property, won the Academy Award for Best Animated Feature. Gerson's other Disney/Pixar credits include both "Monsters, Inc." and "Monsters University" as well as the upcoming "Cars 3."

Gerson's writing career began in the '90s with his work on the sitcom "Something So Right" as well as "Duckman" and "The New Addams Family. He met his writing partner Baird in 1998 and they began working together in 2000.

(via the Hollywood Reporter)