GROCK (Charles Adrien Wettach, 1880 - 1959). Grock. Paris: L?Ile De France, ca. 1920. One-sheet color lithograph bearing a striking Jekyll/Hyde dual portrait of the great clown and circus star. Design by Kraper. 31 ? x 47 x 31 ??. Expert over-coloring of three tiny chips; A-. Linen backed. Born in Switzerland as Charles Adrien Wettach, Grock became not only the most famous clown in Europe, but was, for a time, the highest paid entertainer in Europe. In addition to being the ?king of clowns,? he was a composer and musician who could play some 24 instruments. He established a music publishing business and went on to own a circus. In the 1950s, he retired a wealthy man to an imposing 50-room villa on the Italian Riviera.