Question: Edward F. Cline and Alexander Butler, share which occupation?
Context: When a Man's a Man is a 1935 American Western film directed by Edward F. Cline and written by Frank Mitchell Dazey and Agnes Christine Johnston.  The film stars George O'Brien, Dorothy Wilson, Paul Kelly, Harry Woods, Jimmy Butler and Richard Carlyle.  The film was released on February 15, 1935, by Fox Film Corporation. Edward Francis Cline (November 4, 1891 – May 22, 1961) was an American screenwriter, actor, writer and director best known for his work with comedians W. C. Fields and Buster Keaton.  He was born in Kenosha, Wisconsin and died in Hollywood, California. Alexander Butler was a British film director who made over sixty features and short films during the 1910s and 1920s including many for G.B. Samuelson's production company.  Butler directed several British films in Hollywood in 1920, where Samuelson had made an arrangement with Universal Pictures.  Amongst his notable films are the Sherlock Holmes adaptation "The Valley of Fear" (1916) and the early British horror film "The Beetle" (1919). Edward F. Caldwell & Co., of New York City, was one of the premier designers and manufacturers of electric light fixtures and decorative metalwork from the late 19th to the mid-20th centuries.  Founded in 1895 by Edward F. Caldwell (1851–1914) and Victor F. von Lossberg (1853–1942), the firm left a legacy of custom designed and finely-made, metal gates, lanterns, chandeliers, ceiling and wall fixtures, floor and table lamps, and other decorative objects that can be found today in many metropolitan area churches, public buildings, offices, clubs, and residences including, the White House (1902 renovation), St. Patrick's Cathedral, New York, New York Public Library, and Rockefeller Center. The Scarecrow is a 1920 American short comedy film starring comedian Buster Keaton.  It was written and directed by Keaton and Edward F. Cline.  The runtime is 19 minutes.  One of the more memorable scenes of the film is the opening, where Buster and Joe Roberts share a small one room house that is filled with many space- and labor-saving Rube Goldberg-type devices.  Later in the film, Keaton tries desperately and comically to outrun and escape Luke the Dog. The Night Riders is a 1920 British silent western film directed by Alexander Butler and starring Maudie Dunham, Albert Ray and Alexander Butler.  It was one of several films made by the British producer G.B. Samuelson at Universal City in California.  A Cornish emigrant to Canada battles against cattle rustlers in Alberta. The Widow from Chicago is a 1930 American pre-Code crime drama film released by First National Pictures, a subsidiary of Warner Bros. and directed by Edward F. Cline.  The movie stars Alice White, Edward G. Robinson, Neil Hamilton and Frank McHugh.  Planned as a full-scale musical, the songs were cut from the film before release due to the public's aversion for musicals. Gen. Edward F. Jones House is a historic home located at Binghamton in Broome County, New York.  It was constructed in 1872 and is a large 2 ⁄ -story, irregularly shaped building built of an eclectic combination of materials and textures.  It was part of a large estate assembled by General Edward F. Jones (1828–1913) by 1883.  The foundation and first floor are constructed of brick while the upper stories are of wood with shingle, beaded board, and clapboard siding.  It is an exceptional example of the Queen Anne style. The Frozen North is a 1922 American short comedy film directed by and starring Buster Keaton.  The film is a parody of early western films, especially those of William S. Hart.  The film was written by Keaton and Edward F. Cline (credited as Eddie Cline).  The film runs for around 17 minutes.  Sybil Seely and Bonnie Hill co-star in the film. Edward F. Wente (born 1930) is an American professor emeritus of Egyptology and the Department of Near Eastern Languages and Civilizations at the University of Chicago.  He received his Ph.D from the University of Chicago in 1959 and lectured there from 1963 to 1996.  He is also a longstanding member of the Oriental Institute, Chicago.  One of his major works is "Letters from Ancient Egypt" (1990), published by the Scholarly Press.  In 1999 the Oriental Institute published a collection of essays by Egyptologists in honor of Edward Wente" "Gold of Praise: Studies on Ancient Egypt in Honor of Edward F. Wente"".
Answer: director