Dallas and John Heaton Identical twins born in Melbourne, Dallas and John gave up vocations in mathematics and computer science 28 years ago to pursue their passion, photography, as a career. Since then they have gained a reputation for high quality travel images which are marketed worldwide. Their work appears in advertising campaigns, international magazines, corporate brochures and tourist publications. "Our motivation is to create images that are fresh, exciting and delight both us and our viewer," they say.