The Philadelphia Museum of Art has created an online version of their exhibition entitled Dox Thrash: An African American Master Printmaker Rediscovered. Dox Thrash (1893-1965), a notable artist who rose to national prominence during the late 1930s, is mostly known for his carborundum prints, a process of using gritty carborundum crystals on copper plates to carve etchings. Consisting of various...