William Hanna & Joseph Barbera, Tom and Jerry, © MGM. Source.
It all started with the animated cartoon Puss Gets the Boot in 1940, where Tom is called Jasper. Tom & Jerry went into production with The Midnight Snack in 1941. Hanna and Barbera did 114 shorts at MGM until 1957. The series won seven Academy Awards, also the cartoons are infamous for some of the most violent gags ever devised in animation.
ITT Schaub Lorenz, Cassette recorder, 1973. ITT Corp., USA.