Possible authors here include
Rutherford Platt Hayes (1858-1927). Son of US President Rutherford B. Hayes and long time secretary of the American Library Association.
Rutherford Hayes Platt [Jr.] (1894-1975). Author of books on plants and editor of collections of biblical apocrypha. Both is father (the President's nephew, 1853-1928) and his son were *also* named Rutherford Hayes Platt, and active in political and intellectual circles.
Rutherford H. Platt (1940- ). Professor of Geography at the University of Massachutsetts and director of the Ecological Cities Project. Author of books on city planning, land use and disaster planning.
Rutherford V. Platt (1974- ). Professor of Environmental Studies at Gettysburg, primarily working in remote sensing.