Marx Brothers of "The Big Store" the team announced they were retiring from the screen. Four years later, however, Chico persuaded his brothers to make two additional films, "A Night in Casablanca" (1946) and "Love Happy" (1949), to alleviate his severe gambling debts. Both pictures were released by United Artists. From the 1940s onward Chico and Harpo appeared separately and together in nightclubs and casinos. Chico fronted a big band, the Chico Marx Orchestra (with 17-year-old Mel Tormé as a vocalist). Groucho made several radio appearances during the 1940s and starred in "You Bet Your Life", which ran from 1947 to 1961
Influences on Karl Marx social Darwinism. Nonetheless, it is evident that Marx had a strong liking for Darwin's theory and a clear influence on his thought. Furthermore, when the second German edition of "Das Capital", was published (two years after the publication of Darwin's "Descent of Man, and Selection in Relation to Sex"), Marx sent Darwin a copy of his book with the following words: Darwin wrote back to Marx in October, thanking him for having sent his work and saying "I believe that we both earnestly desire the extension of knowledge". According to scholar Paul Heyer, "Marx believed that Darwin provided a materialistic