Walt Disney was born in 1901 in Chicago and showed an early interest in drawing and cartoons. He dropped out of high school to join the army but later worked for ad agencies creating commercials using animation. Disney founded his own studio and created iconic characters like Mickey Mouse. He pioneered full-length animated films with Snow White and built Disneyland theme park, laying the foundation for his entertainment empire. Disney revolutionized animation and family entertainment before passing away in 1966.