Historians, Miscellaneous: Biographies
- Reginald Aubrey Fessenden
- Rembrandt Peale
- Rheta Childe Dorr
- Ricardo Palma
- Richard Bancroft
- Richard Rogers
- Richard Weston
- Richmond Barthe
- Ritchie Valens
- Robert Alexander Watson-Watt
- Robert Byrd
- Robert Clive
- Robert Hofstadter
- Robert Jameson
- Robert MacArthur
- Robert Mallet
- Robert Michels
- Robert Recorde
- Rod Carew
- Ronald Aylmer Fisher