Dorothea Warren O'Hara
She was born as Dorothea Warren on August 31, 1873 in Kansas City, Missouri. In 1915 she won the Lifetime Membership Prize from the National Arts Club and a gold medal at the Panama–Pacific International Exposition. In 1923 she published The Art of Enameling on Porcelain. She died in May 1972 in Delray Beach, Florida.