Federal Arts Project department of the WPA (Works Progress Administration) a Federal program of the 1930s to provide work for the longterm unemployed.
This 1939 photograph shows him in front of one of his works.
Here are two examples of his work on comics from the mid-'40s. They're from Suspense Comics #6 (1944) and #8 (1945) respectively. Based on his photograph, you think Lou Ferstadt may have used himself as the model for the “Doctor of Doom”..?