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"),
David Seymour (photographer) when World War II broke out in Europe when Nazi Germany invaded Poland, Chim's birthplace. In 1940 he enlisted in the United States Army, serving in Europe as a photo interpreter during the war. In 1942 he became a naturalized citizen of the United States, the same year that his parents were killed by the Nazis. Chim photographed for "Life", along with "Look," "Paris-Match" and "Regards." In 1948 he received a commission through UNICEF and traveled to Austria, Hungary, Italy, Poland and Germany to document the plight of World War II refugee children. Inge Bondi, Chim scholar, said: Chim's heart