Lou Costello, who was born Louis Francis Cristillo on March 6, 1906, passed away peacefully on March 3, 1959, at the age of 52. He is remembered as a talented comedic actor and entertainer who found success in the 1940s and 1950s. He was widely known as one half of the famous comedy duo "Abbott and Costello", with his partner Bud Abbott. Costello's career began in the 1930s working in burlesque and vaudeville. He ultimately paired with Bud Abbott and pioneered one of the most successful comedic performances in history. Together, they made numerous films and appearances in radio, television, and live theatre. Costello's infectious laugh and unique sense of humor earned the duo a spot among some of the most successful comedians of the 20th century. Costello suffered a heart attack at his home in Beverly Hills in 1957, which marked the start of his decline in health. His legacy lives on with classic skits such as "Who's on First?" as well as movie and television appearances. He is remembered for helping to shape the history of comedy in all its forms.