Republican Heavyweight Retires
Charles cited David's deteriorating health as the driving force behind his decision.
The Daily Caller explains:
The retiring Koch was also very involved in philanthropy. He donated $150 million to New York’s Memorial Sloan Kettering Cancer Center in 2015 and $185 million throughout his life to the Massachusetts Institute of Technology, his alma mater.
David and Charles Koch have created a political empire with money from their family’s private sector business. The brothers have pledged to spend $400 million dollars in the 2018 midterms.
Throughout their time in the public eye, the brothers have preached the tenets of limited government and free enterprise, perhaps most prominently through their grassroots advocacy group, Americans for Prosperity.