An image from The Adventures of Mark Twain, one of the productions that also features Joan C. Gratz.
Joan C. Gratz
April 6, 1941 — Los Angeles, CA
Joan Carol Gratz is an American artist, animator, and filmmaker who specializes in clay painting. Gratz is best known for her 1992 Oscar-winning animated short film Mona Lisa Descending a Staircase.
