His love of the camera began in his native England where is father was a cameraman who recruited Pen at four years of age to ride an alligator in a theatrical short. He became a photographer at 15, taking photos of the Rolling Stones and selling images to various periodicals. An article in a national photo magazine titled “Go Shoot Yourself” included images of Densham himself reflected in mirrored surfaces. The inclusion of water, transparency and reflection have continued to be consistent themes in his work.