The Second City is an improvisational comedy enterprise. It is the oldest improvisational theater troupe to be continuously based in Chicago, with training programs and live theatres in Toronto and Los Angeles. The Second City Theatre opened on December 16, 1959, and has become one of the most influential and prolific comedy theatres in the English-speaking world. In February 2021, ZMC, a private equity investment firm based in Manhattan, purchased the Second City.

Gilda Susan Radner was an American actress, comedian, writer, and singer. Radner was one of the seven original cast members of the "Not Ready for Prime Time Players" on the NBC sketch comedy series Saturday Night Live from its inception in 1975 until her departure in 1980. In her routines on SNL, she specialized in parodies of television stereotypes, such as advice specialists and news anchors. In 1978, Radner won an Emmy Award for her performances on the show. She also portrayed those characters in her highly successful one-woman show on Broadway in 1979. Radner's SNL work established her as an iconic figure in the history of American comedy.