R A B
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Y Z Srinivasa Aiyangar Ramanujan |  Frank Plumpton Ramsey |  Helena Rasiowa |  Mina Spiegel Rees |  Jacopo Francesco Riccati |  Michelangelo Ricci |
 Gregorio Ricci-Curbastro |  Georg Friedrich Bernhard Riemann |  Gilles Personne de Roberval |  Abraham Robinson |  Julia Hall Bowman Robinson |  Michel Rolle |
 Paolo Ruffini |  Carle David Tolmé Runge |  Bertrand Arthur William Russell |
