 His best-known work is perhaps the series of murals he executed at Lambert International Airport illustrating the history of aviation.He was a pioneer in combining elements of realism and surrealism in a style known sometimes as superrealism.From 1949 to 1984 he worked with Emil Frei in the design and execution of stained glass windows, including the (1960) Easter Window in the Lutheran Church of the Resurrection, in Sunset Hills, Missouri, of which Reinhardt said