Chimney sweep being in the book series "Mary Poppins" by P. L. Travers and the Walt Disney film adaptation which has an extended dance sequence in which the jovial workers celebrate the end of the workday with fearless acrobatics. Their leader, "Bert", played by Dick van Dyke, sings "Chim Chim Cher-ee" which won the Oscar for "Best Song" in 1965. The chorus refers to the traditional association of chimney sweeps with good luck: ""Good luck will rub off when I shake 'ands with you, or blow me a kiss ... and that's lucky too"". The novel "Die schwarzen Brüder" ("The Black Brothers"),
Robert Yerkes observe chimps on his own. He began by purchasing two chimpanzees, Chim and Panzee, from a zoo. He brought the two chimps home, where they lived in a bedroom and ate with a fork at a miniature table. Chim was a particular delight for Yerkes, and the summer that chimp and psychologist spent together is memorialized in "Almost Human" (1924). In 1924, Yerkes was hired as a professor of psychobiology, a field he pioneered, at Yale University. He founded the Yale University Laboratories of Primate Biology in New Haven, followed by his Anthropoid Breeding and Experiment Station in Orange Park,