| Name | Program Number |
| Rabis, A. | 21CP37 23CP10 |
| Radzyner, Y. | 26BP66 |
| Rago, K. | 22BP38 |
| Rahm, A. | 22AP40 23bA3 |
| Raikh, Mikhail E. | 25DP9 |
| Rajteri, M. | 26EP18 |
| Rakhmanina, Alexandra V. | 26CP91 |
| Rakhmanov, Alexander L. | 22BP78 26aC2 25BP78 25CP75 |
| Ralph, Daniel | 26aD3 |
| Ramakrishnan, S. | 26CP82 |
| Ramsperger, Urs | 23DP15 |
| Rangarajan, G | 21CP95 |
| Rapisarda, F. | 21DP3 |
| Rappaport, M. L. | 22EP38 |
| Rapp, Osten | 26BP28 21BP74 25BP47 21BP69 25DP3 |
| Rapp, R. E. | 25EP6 |
| Rastello, M. L. | 26EP18 |
| Rau, D. | 25CP31 26bE5 23CP24 |
| Raveau, B. | 23CP64 |
| Raychaudhuri, A. K. | 25DP7 |
| Regnault, Louis-Pierre | 26bC1 |
| Reichardt, P.A. | 22bD3 |
| Reichert, J. | 22aD5 |
| Renner, Ch. | 25bB3 |
| Rentzsch, R. | 22EP5 |
| Reppy, John D. | 23AP25 21AP33 |
| Reulet, B. | 25bE4 |
| Revaz, B. | 25bB3 |
| Revcolevschi, A. | 23CP67 26aC3 25CP70 |
| Revenko, Yurii F. | 25CP65 |
| Reyes, A. P. | 25bB4 |
| Rice, T. Maurice | 23BP89 21bB1 21bB1 |
| Rieck, Carsten T. | 23EP30 |
| Ri, H.C. | 22CP39 |
| Rimnac, Axel | 26AP8 |
| Ritchie, David A. | 25bD2 |
| Rivera, P.H | 22DP18 |
| Robert, Harakaly | 23AP23 |
| Robertson, T.L. | 22bD3 |
| Rock, B.Y. | 22EP24 |
| Rodiere, P. | 23BP90 |
| Rodrigues, Antonio | 22EP15 |
| Rodrigues Jr., Pedro | 26BP48 |
| Roessli, B. | 26CP85 |
| Rogacki, Krzysztof | 21BP32 |
| Rogl, Peter | 23CP25 |
| Rogozin, Vasiliy A. | 26bD6 |
| Rolley, Etienne | 26aA3 26AP38 26AP19 |
| Romanenko, Anatoly I. | 26BP60 22BP32 23BP21 |
| Romanov, Sergey G. | 21EP22 |
| Romer, R. A. | 26EP19 |
| Romer, Rudolf A. | 25DP9 26DP15 |
| Ronning, F. | 26BP58 |
| Ronnow, Henrik M. | 26bC1 |
| Rosario, M.M. | 22EP24 |
| Rosenbaum, T.F. | 21DP35 |
| Rosenberg, Danna | 22CP85 |
| Rosenkranz, Stephan | 26bB2 |
| Rosenstein, Baruch | 26BP85 |
| Rosner, Helge | 22BP43 21EP4 |
| Rossler, Ulrich K. | 22CP71 |
| Rossnagel, K. | 26EP19 |
| Rossolenko, A.N. | 22BP41 |
| Rostami, Kh. R. | 23BP67 |
| Rotter, Martin | 22CP26 25CP93 22CP13 |
| Rovers, M.T. | 23CP60 |
| Rozheshchenko, A. | 23bD4 |
| Rubin, P. | 22BP4 |
| Rubio-Bollinger, G. | 21BP38 |
| Rudavskii, E. Ya. | 26AP5 23AP2 25AP11 25EP1 23AP1 25AP8 26AP6 |
| Rudnev, Igor | 23BP77 |
| Rudnick, Joseph | 27aA2 |
| Rumberger, Evan | 25CP8 |
| Runge, B.-U. | 22BP74 |
| Ruohio, Jaakko J. | 25aA1 25AP30 |
| Ruohio, J.J. | 25AP31 25AP32 |
| Rusakov, A. P. | 21BP37 26BP36 |
| Rusanov, A.Yu. | 23bE1 |
| Rusby and many others, R. | 25EP4 |
| Ryabchenko, Sergey | 21BP47 |
| Ryazanov, Valerii V. | 22BP27 22BP41 |
| Rybalko, A. | 23AP2 25EP1 26AP6 |
| Rychlowska-Himmel, I. | 23CP62 |
| Rydh, A. | 25BP47 |
| Ryu, Ayumi | 26CP28 |
| Ryu, Shinsei | 25BP6 26BP9 |
| Ryzhii, Victor | 23DP33 |
| Ryzhov, D. A. | 25BP46 |
| Ryzhov, V. A. | 23CP84 23CP65 23CP64 |
| Rzchowski, M.S. | 25BP50 |