Cobb studied at New York University before making his film debut in The Vanishing Shadow ( 1934 ).

The Vanishing Shadow ( 1932 )

He is perhaps best remembered for directing Myrna Loy and William Powell in four Thin Man films: The Thin Man ( 1934 ), After the Thin Man ( 1936 ), Another Thin Man ( 1939 ) and Shadow of the Thin Man ( 1941 ); and Jeanette MacDonald and Nelson Eddy in six of their greatest hits, Naughty Marietta ( 1935 ), Rose-Marie ( 1936 ), Sweethearts ( 1938 ), New Moon ( 1940 ) ( uncredited because halfway through filming Robert Z. Leonard took over ), Bitter Sweet ( 1940 ) and I Married an Angel ( 1942 ).

* " Black God's Shadow " ( December 1934 )

* The Jungle in Sunlight and Shadow Chatto & Windus, London 1934.

* Shadow on the Wall ( 1934 ; Fortune, cameo by Clunk )

The story contains the first mention of Abdul Alhazred, a fictional authority on the occult who would later be mentioned in most of Lovecraft's major Cthulhu Mythos stories, including " The Hound " ( 1922 ), " The Festival " ( 1923 ), " The Call of Cthulhu " ( 1926 ), The Case of Charles Dexter Ward ( 1927 ), " The Dunwich Horror " ( 1928 ), " The Whisperer in Darkness " ( 1930 ) At the Mountains of Madness ( 1931 ), " The Dreams in the Witch House " ( 1932 ), " The Thing on the Doorstep " ( 1933 ), and " The Shadow out of Time " ( 1934 ).