1913-1980 1913-1994 1947- 20thcentury 21stcentury american architecturalrendering botanicalillustration british brulybouabré crayondrawing drawing elhanani exhibitions flowers france frédéric grahamstuart greatbritain guston hanani jacob line(art) nixon paris pencildrawing perspective philip pictorialworks politicsandgovernment technique thomas unitedstates watercolorpainting