Question: Frederick Robinson Koch ( born August 26, 1933) is an American collector and philanthropist, the eldest of the four sons born to which American industrialist chemical engineer and entrepreneur who founded the oil refinery firm that later became Koch Industries?
Sentence (from "Fred C. Koch"): Fred Chase Koch ( ; September 23, 1900 – November 17, 1967) was an American chemical engineer and entrepreneur who founded the oil refinery firm that later became Koch Industries, a privately held company which, under the principal ownership and leadership of Koch's sons, Charles and David, is listed by "Forbes," as of 2015, as the second-largest privately held company in the United States.
Relevant evidence: Yes