Theodor Sparkuhl was a German-born cinematographer with over 100 movies to his credit. He was educated at the University of Göttingen and the University of Bonn. His films include "The Glass Key" (1942) and "St. Louis Blues" (1939) with Dorothy Lamour and Lloyd Nolan. Wikipedia
The definitive Wikipedia entry for Theodor Sparkuhl. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Theodor_Sparkuhl