From Riverside, California. A German Wiki page exists for Ken, translated it states that, Kenneth "was an American cameraman, who specialized in the slow motion / time-lapse photography of insects, birds and plants." He was head of the department of photographic department at the University of California at Riverside, worked for National Geographic, worked in Hollywood and advertising.
PSA Journal, Sept. 1966, 33.
Many clips of his later work can be found online on the National Geographic Creative's YouTube Channel.