From 1930 to about 1950 Art C. Radebaugh airbrushed The Future we were promised. Hospitals in space, giant submarines, underwater cities, amazing cars, planes, antigravity homes -

This is a truly fantastic exhibition. Have a look, it's definitely worth browsing.

"... he became a skilled proponent of the newly invented airbrush, and was featured as an airbrush star in the 1938 Paasche Airbrush Co. catalog. Airbrush was the right tool for illustration at the moment when streamlined moderne was all the rage, and Radebaugh's airbrush made possible his most enduring works, the covers of the annual issues of MoToR Magazine, 1935 through 1938 ..."