sentences:  The honors included the Georgia Conservancy’s "Distinguished Conservationist Award," the DeKalb Historical Society’s "History Maker Award," the 1979 Rock Howard Award, and the 1984 "Mr. DeKalb" Award.Georgia Conservancy president John Sibley remarked after MacKay's passing, "He was a larger-than-life person and an environmentalist who raised the level of the environmental movement in Georgia all by himself.