- Saharov, Andrei
- Rutherford, Baron
- Hulse, Russell Alan
- Rumford, Count
- Mossbauer, Rudolf Ludwig
- Clausius, Rudolf Julius Emmanuel Clausius Emmanuel
- Rowland , Henry Augustus
- Yalow, Rosalyn Sussman Yalow Sussman
- Heinrich Rohrer
- Roentgen, Wilhelm Konrad
- Lemn, Robert Williams
- Van de Graaff, Robert Jemison
- Hofstadter, Robert
- Richardson, Robert Coleman
- Laughlin, Robert B. B.
- Richardson , Sir Owen Willans
- Taylor, Richard Edward
- Reaumur , Rene Antoine Reaumur Ferchault de
- Rayleigh, John William Strutt
- Raman , Sir Chandrasekhara Venkata
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