[2] On his return to Boston, Charles became a custom woodworker, eventually focusing on creating unique picture frames influenced by the Arts and Crafts movement.
He produced “highly prized, hand-carved frames for the greatest artists of his day, including John Singer Sargent.
Their collection holds approximately four hundred works by Charles and Maurice Prendergast, as well as about fifteen-hundred related archival objects.
[9] Richard J. Wattenmaker, then Director of the Rutgers University Art Gallery, wrote in 1968: "By far the most pervasive influence on Prendergast was the work of his brother, Maurice.
The profound intimacy of ideas between the two is freely reflected in the joyous spontaneity and jewel-like, color-laden decorativeness which permeate both their work, as well as the innovational flexibility with which each handles his chosen medium.