Julia Koch, the widow of billionaire industrialist David Koch, has sold her duplex at the exclusive Manhattan co-op 740 Park Avenue for $45 million, according to property records. The Kochs paid ...

The price tag? Around $700 million. Julia Koch, widow of mega rich and controversial American industrialist David Koch Sr., ...

The policy was issued by the court Monday. How did David Koch shape money in American politics? Billionaire and conservative mega donor David Koch has died. After expanding the Kansas-based Koch ...

David Koch was born in Indianapolis, IN to Edwin J. and Elsa Vahle Koch. David married Ruth (Neffle) in 1967, and God blessed them with two daughters, Anne (Scott) Franklin, of Denver, and Abby ...

David Koch, the billionaire entrepreneur and Republican megadonor, died on Friday at the age of 79 after a months-long battle with prostate cancer. David and his brother, Charles, are largely ...