BELMONT COUNTY, OH (WTRF) — Five days after announcing his retirement as Chairman of the Board for Murray Energy, Robert E. Murray passed away early Sunday morning at 80-years-old, according to a high-level Nexstar Media source within the West Virginia coal industry.

Bob Murray was known throughout the Ohio Valley as a coal miner, mining engineer, company founder, job creator, and philanthropist.

The late coal CEO only recently filed for black lung benefits, saying he was heavily dependent on oxygen.