Girl Films Sharks Underwater In Red Sea -- Dr. Hans Hass with his wife Lotte photographed in London today,a t a party to launch his book "Diving to adventure", at wardout street, where the film was shown. Dr. Hans Hass, a pioneer of underwater photography, was born in Vienna on the 23rd January 1919, and at the age of 18 took up underwater fishing, and has written a book entitled "Diving to Adventure" which tells of his amazing adventures, photographing sharks, giant sting rays and hundreds of other wonders of tropical coral reefs. "Under the sea" is also title of Dr. Hass's film and both the films and the book tell the story of his astonishing adventures of the fabulous sea-monster-the Manta - a giant ray which when fully grown measures 30ft. Dr. Hass is married to a charming lady, Lotte, who is also his secretary. November 05, 1952. (Photo by Fox Photos)