This troupe of little people dates from the post-vaudeville period. They crossed the puddle from their homebase in Vienna for the 1939 World’s Fair and just stayed, touring the U.S. throughout the 1940s. When live gigs dried up, their main bread and butter became tv. You can see members of the troupe in vehicles as diverse as Danny Kaye’s The Court Jester (1945), Robert Downey’s Putney Swope (1969), and the psychedelic 1970s children’s show Lidsville.
To learn more about vaudeville, consult No Applause, Just Throw Money: The Book That Made Vaudeville Famous, available at Amazon, Barnes and Noble, and wherever nutty books are sold.