Interview with Darwin "Mac" McMillan, a long-term employee of Caltex from California, discussing his background, employment with Texaco and Standard Oil, the history of Caltex and his work as an executive there, his various assignment experiences in China the Philippines, Germany, India, and South Africa, and the oil market.

Interview with George Hargens, a former Caltex executive from San Francisco, California, to discuss his experiences working for Standard Oil during the Great Depression, his transfer to Caltex and establishment of the German market, work as a director of several oil companies, and leaving Caltex.

Interview with William Tucker, a business executive from Boston, regarding his experiences working for Caltex Petroleum Corporation, their refinery construction and expansion during World War II and after the war, the oil industry, and Caltex in India, Australia, Germany, Japan, Korea, and South Africa.

Transcript of an interview with Thomas Richard Young, artist and Army Air Forces veteran (463rd Bomb Group, 774th Bomb Squadron, 15th Air Force), concerning his experiences as a B-17 pilot and a prisoner-of-war in the European Theater during World War II. Appendix includes a photocopy of a drawing titled, "North Compound, Stalag Luft III, Sagan, Germany, January, 1945."

Interview with Homer L. Haile, an Army Air Corps veteran (489th Squadron, 2nd Air Division, 8th Air Force), concerning his experiences as a crew member of a B-24 in the European Theater during World War II. Stateside training, raid to Kiel, Germany; raid to Oschersleben, Germany; other raids.

Interview with Frederick Dittus, an executive at Caltex Petroleum Corporation. He discusses his educational background, his early job experience with Standard Oil Company of California, the Dittus-Boelter equation, his pre-World War II experiences in Nazi Germany, construction of the Bahrain refinery for Bapco, the formation of Caltex in 1936, his transfer to Caltex, his activities during World War II, the postwar refinery expansion, and the evolution of the Technical Services Division.

Interview with Homer L. Haile, an Army Air Corps veteran (489th Squadron, 2nd Air Division, 8th Air Force), concerning his experiences as a crew member of a B-24 in the European Theater during World War II. Stateside training, raid to Kiel, Germany; raid to Oschersleben, Germany; other raids.