Robert M. A. Hawk died in 1882.
Robert M. A. Hawk was born in 1839.
Robert M. Patton died in 1885.
Robert M. Chanock died in 2010.
Robert M. Ball died in 2008.
Robert M. Barr died in 1988.
Robert M. Hall died in 1998.
Robert M. Blair died in 1899.
Robert M. Berne died in 2001.
Robert M. Levine died in 2003.
M. Robert Aaron died in 2007.
Robert M. Widney died in 1929.
Robert M. Switzer died in 1952.