Sawyer, J. Herbert.

J. Herbert Sawyer (d. 1985), a petroleum geologist, spent most of his career with foreign affiliates of Standard Oil Company (New Jersey) now Exxon. He wrote a chapter on the history of Latin American oil exploration for the 1975 American Association of Petroleum Geologists memoir "Trek of the Oil Finders : a History of Exploration for Petroleum," by Edgar Wesley Owen.

From the description of Papers, 1909-1984 (bulk 1922-1975). (University of Wyoming, American Heritage Center). WorldCat record id: 28698435