“…Clinical exper¬ ience, backed by case statistics, shows that the less the amount of pigment in his skin the greater is a person's tendency to develop these forms of skin cancer (Paul, 1918;Molesworth, 1944;Ward, 1952;Belisario, 1954;Hall, 1950;Lancaster, 1956;Lan¬ caster and Nelson, 1957;Elliott and Welton, 1946). Thus, it is definite that persons of Type 1 are susceptible to their develop¬ ment while those of Type 2 are resistant.…”