创造者
- Reuel Medina Calica1
- Richard Buckner1
- Richard D Bremer1
- Richard E Spalding1
- Richard John Meier1
- Richard L Langston1
- Richard L Strahm1
- Richard M Fraley1
- Robert A Palculict1
- Robert E Wilson1
- Robert G Certain1
- Robert H Rigstad1
- Robert Kendrick Loesch1
- Robert L Basom1
- Robert L Carner1
- Robert L Owens1
- Robert S Culbard1
- Robert W Holaday1
- Robinson, Albert Clarence1
- Roger A Kvam1