
His son and daughter wanted to learn how to dive because they were planning a trip to Australia. His daughter, Patricia, made a list of local dive shops and asked her dad to check them out with her.
When they got to Katz's store, "Martha explained everything, and she told me, 'You can do it, too,' " Tribelhorn said. "That's all I needed to know, because I always was very active - skiing, swimming - so I needed something."
Tribelhorn constructed his own PVC-pipe wheelchair with large wheels so he could get down to Long Island Sound to dive near his home. And last winter, he and his kids traveled to Bonaire, off the northern coast of South America, for his first diving trip, a weeklong vacation with Katz.