From Wikipedia, the free encyclopedia Irvine "Cotton" Eugene Warburton (October 8, 1911 – June 21, 1982) was an American college football quarterback (1933) who became a film and television editor with sixty feature film credits. He worked for the Metro-Goldwyn-Mayer Studios and for the Walt Disney Studios, and is probably best known for his editing of Mary Poppins (1964). Warburton attended San Diego High School, and won the California high school 440-yard dash in 1930. He brought his speed t ...