In the 1950s and into the 1960s, "new wave" stand-ups such as Mort Sahl and Lord Buckley began developing their acts in small folk clubs like San Francisco's hungry i (owned by impresario Enrico Banducci and origin of the ubiquitous "brick wall" behind comedians) or New York's Bitter End. These comedians added an element of social satire and expanded both the language and boundaries of stand-up, venturing into politics, race relations, and sexual humor.