An American silent film actor known for his deadpan expression and physical comedy, he rose to fame in the early 20th century. He began performing in vaudeville as a child, later transitioning to film. His innovative stunts and comedic timing made him a pioneer in the industry, contributing to classics like "The General" and "Sherlock Jr." Despite a career decline with the advent of talkies, he experienced a resurgence later in life, becoming a revered figure in cinematic history.