Robert has been a time artist for 30 years. He has illustrated more art for the National Park Service than any other illustrator in the history of the agency. He has painted more murals for the Smithsonian Institution ( Museum of Natural History,National Zoo and the Air and Space Museum) than any other muralist in the history of the Smithsonian. He has won numerous awards from The Society of Illustrators, Communication Arts, New York Art Directors Club,Washington Art Directors Club. Robert also taught at the University of Maryland Art Dept, Corcoran School of Art, and Shepherd University.