Jean-Leon Gerome French Academic Painter and Sculptor, 1824-1904 Arabs_Crossing_the_Desert 1870. Oil on panel. 16.25 x 22 in. (41.2 x 56cm(. Najd Collection. Courtesy Mathaf Gallery, London. 1870. Oil on panel. 16.25 x 22 in. (41.2 x 56cm(. Najd Collection. Courtesy Mathaf Gallery, London.