Other artists who joined the cooperative in 1957 were George Bayliss, Lothar Brabanski, Colin Greenly, Leonard Maurer, Kenneth Noland, and Baltimore-based artist Shelby Shackelford.
In 1957, other artists joined the cooperative, including George Bayliss, Lothar Brabanski, Colin Greenly, Leonard Maurer, Kenneth Noland, and Shelby Shackelford.