Howard Pyle Easel Stool Hercules Incorporated Edition 11 of 21 produced in December of 1994. Replication of the original stool Howard Pyle built and used, housed in the Delaware Art Museum in Wilmington, was licensed to Martin's Chairs, Inc. Howard Pyle (1853-1911), widely regarded as the father of American illustration. In 1883 Pyle bought a lot on Franklin Street in Wilmington and constructed what would become a Mecca of sorts for artists wishing to hone their skills under his tutelage. The stool measures 27" high x 16" wide x 10" deep.