The Montreal School of Fine Arts forms the painters, printmakers and sculptors of Quebec. She was also a fine-art printmaker, and a member of the Oxford Printmakers Co-operative. The printmakers and architects in Raphael's circle are discussed below. He was a designer for engravings for the Collaert family of printmakers and publishers. Giovanni Battista Piranesi was considered one of the greatest printmakers of the eighteenth century. He collaborated with other printmakers on publishing projects. Printmakers apply color to their prints in many different ways. He also produced designs for the Antwerp printmakers and publishers. Many were also innovative printmakers, usually in etching. These prints themselves were very widely copied by other printmakers, and spread rapidly through Europe. This has resulted in some very impressive collections of prints owned by printmakers themselves. Hayter became one of the most influential printmakers of the 20th century. Copley was born in Bushey, Hertfordshire, son of the printmakers, John Copley and Ethel Gabain. He was an important influence on two generations of Melbourne's printmakers. Other printmakers who have used this technique include Hans Wechtlin, Hans Baldung Grien, and Parmigianino.