David Hamilton Koch was born in Wichita on May 3, 1940, the third of four sons of Fred Chase Koch, an oil engineer and entrepreneur, and the former Mary Clementine Robinson, a Wellesley College ...

"David Hamilton Koch, longtime stockholder, director, and leader in Koch Industries, passed away on August 23, 2019 at age 79 after many years of fighting various illnesses," Charles said in a ...