 His journeys took him to Africa, Uzbekistan, Afghanistan, Turkey, India, Nepal, Burma, Thailand, Malaysia, Singapore, Vietnam, Australia, Japan, and the Philippines.He mixed with Berbers and the avant-garde literary coterie in Tangiers; set up a painting studio in Fez, Morocco; hitch-hiked across North Africa from Tangiers to the Pyramids and Karnak; lived with tribal chiefs in Sudan; traveled with refugees to the Rann of Kutch in India and Pakistan, consulted for the international medical relief organization Project Concern International in Vietnam; lived on a junk with Tankas (Hong Kong boat people); and worked as a journalistic stringer to a foreign correspondent on the Ho Chi Minh trail in South East Asia (visiting twenty-three South Vietnamese provinces in a six-month period).Allen's world travels led to his creating a synergistic approach to both science and art.