Winthrop University is a public university in Rock Hill, South Carolina. It was founded in 1886 by David Bancroft Johnson, who served as the superintendent of Columbia, South Carolina, schools. He received a grant from Robert Charles Winthrop, a philanthropist from Boston, Massachusetts and chair of the Peabody Education Board in Massac…Winthrop University is a public university in Rock Hill, South Carolina. It was founded in 1886 by David Bancroft Johnson, who served as the superintendent of Columbia, South Carolina, schools. He received a grant from Robert Charles Winthrop, a philanthropist from Boston, Massachusetts and chair of the Peabody Education Board in Massachusetts, to establish the school.