Erica Tietze-Conrat

Erica Tietze-Conrat (née Erika Conrat, also known as Erica Tietze; born June 20, 1883 – died December 12, 1958) was an Austrian-born American art historian, one of the first women to study art history, a strong supporter of contemporary art in Vienna and an art historian specializing in Renaissance art and the Venetian school drawings. Provided by Wikipedia