On his death in 1873, Johns Hopkins, a Quaker entrepreneur and childless bachelor, bequeathed $7 million (approximately $ million today adjusted for consumer price inflation) to fund a hospital and university in Baltimore, Maryland. At the time, this donation, generated primarily from the Baltimore and Ohio Railroad, was the largest philanthropic gift in the history of the United States, and endowment was then the largest in America. Until 2020, Hopkins was assumed to be a fervent abolitionist, until research done by the school into his United States Census records revealed he claimed to own at least five household slaves in the 1840 and 1850 decennial censuses.