Mary Margaret Olohan on August 23, 2019
Billionaire David Koch died at age 79.
Koch retired from his duties at Koch Industries due to health complications in 2018. His death was first reported Friday by New Yorker writer Jane Mayer. Koch and his brother Charles have donated billions of dollars to conservative organizations.
Sources close to the family say David Koch has died.
Sources close to the family say David Koch has died.
— Jane Mayer (@JaneMayerNYer) August 23, 2019
“It is with a heavy heart that I announce the passing of my brother David,” older brother Charles Koch said in a statement, journalist David Gura reported.
Charles Koch confirms, in a statement: "It is with a heavy heart that I announce the passing of my brother David." https://t.co/kwMDkA2YIz
— David Gura (@davidgura) August 23, 2019
