Frederick Robinson Koch (born 1933) is an American collector and philanthropist , the eldest of the four sons born to American industrialist Fred C. Koch, founder ...
Fred Chase Koch (September 23, 1900 November 17, 1967) was an American chemical engineer and entrepreneur who founded the oil refinery firm that later ...
William Frederick Koch (18851967) was a U. S. medical doctor and pharmaceutical entrepreneur. In the 1940s he marketed glyoxylide, a drug which he ...