Mattinson worked across multiple divisions during his movie-making career at Disney.
He also co-directed, co-wrote, and co-produced 1986’sThe Great Mouse Detective.
Mattinson was still working as a story consultant and mentor at Disney at the time of his passing.

Burny Mattinson.Jordan Murph/D23 Expo via Getty Images
“So, I worked every day, drawing.”
It was previously held by Disney artist and Imagineer John Hench, who worked for nearly 65 years.
“You know what’s the fun part of it?
“What are they feeling at this moment?
You’re trying to get inside of the character’s mind.
That’s the main thing.
It’s about characters.
But the biggest thing is having fun.
Correction: An earlier version of this article misstatedAll Dogs Go to Heavenas a Disney movie.
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