Dewing, Thomas Wilmer, 1851–1938, American painter, b. Boston, Mass. Dewing studied in Paris with the academician Jules Lefebvre. Returning to New York City in 1880, he produced hazy, atmospheric, impressionistic compositions. His paintings are moody and introspective, e.g., The Recitation (1891; Detroit Inst. of Arts), and express the quietude often found in the works of Whistler.