Dowell has worked as an artist for over four decades. A master printmaker whose prints, paintings and photographs have been featured in 50 one person exhibitions, he is represented in the permanent collections of 70 museum and public collections, including the Museum of Modern Art and the Metropolitan Museum of Art in New York City, the Museum of Fine Arts Boston, the San Francisco Museum of Modern Art, and the Bibliothèque Nationale in Paris, France. Dowell’s photographs have been added to the collections of the Houston Museum of Fine Arts, the Fogg Museum of Harvard University, the Museum of the Rhode Island School of Design, and the Lehigh University Museum.