Harvey EisenbergHarvey Eisenberg.

Harvey Eisenberg (February 11, 1911, April 22, 1965) was an American animator and comic book artist. Best known for his work with William Hanna and Joseph Barbera at the Metro-Goldwyn-Mayer cartoon studio and later at their own Hanna-Barbera Productions, Eisenberg illustrated a large number of comic book stories and comic strips starring characters such as Tom and Jerry, Yogi Bear, and The Flintstones, while also working as an animation layout artist and character designer on the cartoons themselves. Eisenberg was a native of Brooklyn, New York City, New York of German descent, where as an adult he met another cartoonist, Joseph Barbera.