The school, which is celebrating its centennial, will receive his home, his substantial art collection and arboretum as well as an 11 million dollar cash donation.
The total amount of the contribution to the university will be 15 million dollars.
Baker, along with his father co-founded Southern Supply Company before selling it to the Airgas Company.
The graduate of Western's predecessor, the Bowling Green Business College says his love of higher learning drove him to make this donation.
Western's 15 million dollar endowment matches the highest donation for a public university in the state.
Western's previous high donation was in the form of a 10.6 million dollar donation from Gordon Ford for the business college which now bears his name.
As of March 31 of this year, Western has received 82.3 million dollars in donations.