KARL W. STAUFFERChevron Overseas Petroleum Inc.,6001 Bollinger Canyon Road., San Ramon, California 94583-0946 Dr. Hans Karl Stauffer, a pioneer of international geological work for oil exploration, died January 13, 1989, in Palo Alto, California, at the age of 97. During his career with Royal Dutch Shell, which beganin 1919 and spanned more than 20 years, […]