Dietler, Ralph O., 1890-1973.

A pioneer in the crude oil purchasing phase of the petroleum industry, Dietler was born December 31, 1890, in Denver, Colorado. He began his oil industry career in 1919 with Midwest Refining Company of Denver as private secretary to the director, Henry M. Blackmer. When Midwest was dissolved following its purchase by Standard Oil Co., Dietler moved to Tulsa, Oklahoma, to become vice president of Stanolind Crude Oil Purchasing Co., Indiana Standard's crude buying affiliate. He served Stanolind as vice president (1931-1940), president (1940-1948), and chairman of the board (1948-1955). He retired from Stanolind in 1955. Dietler died in Tulsa September 19, 1973.

From the description of Ralph O. Dietler papers, 1917-1974. (University of Wyoming, American Heritage Center). WorldCat record id: 57180176

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