ThÃ odore ChassÃ riau ( September 20 , 1819 -- October 8 , 1856 ) was a French romantic painter noted for his portraits , historical and religious paintings , and images inspired by his travels to Algeria . ThÃ odore ChassÃ riau ( September 20 , 1819 â `` October 8 , 1856 ) was a French romantic painter noted for his portraits , historical and religious paintings , allegorical murals , and Orientalist images inspired by his travels to Algeria .