Geologist, explorer. His experiences concerning his work in mineral exploration and drawing geological maps for various governments in South America, 1929-75. Geological consultant to governments of Argentina, Brazil, Colombia, and Peru; research geologist for governments of Bolivia, Ecuador, Uruguay, and Venezuela; coal and oil discoveries; completion of the first geological map of South America, 1944; views on evolution and religion; archeological discoveries; geological activities in Texas, Alaska, and West Africa.

Security administrator. His experiences as a prisoner-of-war of the Japanese during World War II. Fall of Wake Island and capture, 1942; Wusong Prison Camp, Shanghai, 1942; Kiangwang Prison Camp, 1942-45; Pusan, Korea, 1945; coal mining at Hakodate, Hokkaido, 1945; liberation.