The portrait of Speaker Howell Cobb, purchased by the House of Representatives in 1912, was painted by Lucy May Stanton, a well-respected Georgia artist. Stanton was primarily educated in Paris, studying with James Abbott MacNeill Whistler, among others. Her preferred medium was watercolor miniature, for which she developed a uniquely modern, broadly executed technique. This style is evident in the Cobb portrait, which she based on a photograph taken by Mathew Brady in the 1860s.
History, Art & Archives, U.S. House of Representatives, “Howell Cobb,” https://history.house.gov/Collection/Listing/2005/2005-016-019/ (August 13, 2022)
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