Alex Schomburg
Alex A. Schomburg, born Alejandro Schomburg y Rosa was a prolific American commercial artist and comicbook artist and painter whose career lasted over 70 years.
Alex Schomburg was born on May 10, 1905 in Aguadilla, Puerto Rico, and moved to New York City in the early 1920s, where he began work as a commercial artist with three of his brothers. In 1928, the brothers partnership ended and Schomburg found work with the National Screen Service, creating lantern slides and working on movie trailers there through 1944.
Source: Wikipedia