In the photo below, George is going over the history of the Penguin with the blogmeister. Turns out George helped build the six as kid. He was on the centerboard trunk building crew. (Forgive the odd colors of the photo but I wanted to highlight the beautiful interior wood of the Walton Penguin and was working from a very dark I-Phone photo.)
Photo by Bill Walton
And from the 1960's, here is the blurb on the Penguin from the magazine One Design and Offshore Sailing annual small class review, .
Some other posts about the Penguin dinghy.