A key figure in the development of Pixar Studios, Andrew Stanton was the writer and/or director of some of the computer animation company’s biggest hits, including “Toy Story” (1995) and its 1999 sequel, “A Bug’s Life” (1998), “Finding Nemo” (2003) and “WALL-E.” In the grand tradition of Disney’s animation team from the 1930s and such legendary figures as Ray Harryhausen and Don Bluth, Stanton’s best films were a near-perfect balance of breathtaking visuals and heart-tugging emotion; the lifelike quality of cowboy toy Woody or the silent, industrious robot WALL-E never overwhelmed their fully