Jo Eisinger (1909–1991) was a film and television writer whose career spanned more than 40 years from the early 1940s well into the 1980s. He is widely recognized as the writer of two of the most psychologically complex film noirs, Gilda (1946) and Night and the City (1950). Jo Eisinger's second marriage was to Lorain Beaumont. Eisinger used his wife's maiden name for Mr. Beaumont, one of the characters in The Walls Came Tumbling Down.