Computers are for funny cat movies – even in 1968
More than 40 years ago in 1968, a team led by Nikolai Nikolaevich Konstantinov created a mathematical model of the motion of a cat. The BESM-4 machine, executing a written program for solving ordinary differential equations, draws a cartoon cat. Each frame was physically printed using a standard desktop printer (using W’s to fill the drawing space), photographed, then put together into this simple animation.
Read more about it here (use google translate):
http://www.etudes.ru/ru/etudes/cat-animation/