Top discoverers by number of PRPs
| Rank | Discoverer | Score | | 1 | Lelio R Paula | 16620 |
| 2 | Syoichiro Yamada | 13745 |
| 3 | Ray Chandler | 8632 |
| 4 | Patrick De Geest | 5692 |
| 5 | Enzo Doria | 3880 |
| 6 | Milton L. Brown | 3225 |
| 7 | Donovan Johnson | 3117 |
| 8 | Kimmo Herranen | 2745 |
| 9 | Mike Oakes | 1530 |
| 10 | Bernardo Boncompagni | 1489 |
| 11 | Robert Price | 1226 |
| 12 | Henri Lifchitz | 941 |
| 13 | Andrey Kulsha | 798 |
| 14 | Yves Minet | 729 |
| 15 | Jason Earls | 633 |
| 16 | Jim Fougeron | 580 |
| 17 | Jens K. Andersen | 573 |
| 18 | David Broadhurst | 517 |
| 19 | Anatoly F. Selevich | 476 |
| 20 | Joe McLean | 443 |
| 21 | Robert Smith | 371 |
| 22 | Paul Underwood | 331 |
| 23 | Maksym Voznyy | 251 |
| 24 | Erik Branger | 179 |
| 25 | Serge Batalov | 176 |
| 26 | Gary Barnes | 170 |
| 27 | Paul Bourdelais | 164 |
| 28 | Gary Chaffey | 162 |
| 29 | Ryan C Weaving | 158 |
| 30 | Norbert Schneider | 135 |
| 31 | Markus Hiltbrunner | 123 |
| 32 | Kevin Acres | 98 |
| 33 | Wayne Halsdorf | 96 |
| 34 | Harald Ritter | 94 |
| 35 | Daniel Heuer | 81 |
| 36 | T. D. Noe | 79 |
| 37 | Michael Porter | 75 |
| 38 | Richard Fischer | 73 |
| 39 | Paul Leyland | 71 |
| 40 | Dmitry Domanov | 68 |
| 41 | Jean-Louis Charton | 63 |
| 42 | D.Broadhurst and W.Edgington | 53 |
| 43 | Renaud Lifchitz | 49 |
| 44 | Eric W. Weisstein | 48 |
| 45 | Theodore Burton | 45 |
| 46 | Arkadiusz Wesolowski | 41 |
| 47 | Mark Rodenkirch | 39 |
| 47 | Patrick Schmeer | 39 |
| 49 | Sinkiti Sibata | 38 |
| 50 | Thomas Masser | 36 |
| 51 | Cletus Emmanuel | 30 |
| 52 | Harvey Dubner | 28 |
| 52 | Matt Stath | 28 |
| 54 | Faysal YAtim | 25 |
| 55 | Greg Childers | 24 |
| 56 | Paul Schmidt | 23 |
| 57 | Wojciech Florek | 22 |
| 58 | Makoto Kamada | 19 |
| 58 | Joel Levy | 19 |
| 58 | Rob Binnekamp | 19 |
| 61 | Predrag Minovic | 18 |
| 61 | Ken Davis | 18 |
| 63 | Bouk de Water | 17 |
| 63 | Gilbert Mozzo | 17 |
| 65 | Marcin Lipinski | 10 |
| 65 | Raffi Chaglassian | 10 |
| 67 | Alexander Kuzmich | 9 |
| 67 | Kamil Duszenko | 9 |
| 67 | D. Broadhurst & B. de Water | 9 |
| 67 | Darren Bedwell | 9 |
| 71 | M. Frind & P. Underwood | 8 |
| 71 | Leonid Muraviov | 8 |
| 71 | Anton Vrba | 8 |
| 74 | Jean Penné | 7 |
| 74 | H.&R. Lifchitz | 7 |
| 76 | Dirk Augustin | 6 |
| 76 | Walter Nissen | 6 |
| 78 | Pierre CAMI | 5 |
| 78 | Tom Wu | 5 |
| 78 | Payam Samidoost | 5 |
| 81 | Hans Havermann | 4 |
| 81 | V.M.Ulyanov | 4 |
| 81 | Borys Jaworski | 4 |
| 81 | Décio Gazzoni Filho | 4 |
| 85 | Giovanni Di Maria | 3 |
| 85 | D. Gazzoni Filho & Lucas Teixeira | 3 |
| 85 | Phil Moore | 3 |
| 85 | Richard McIntosh | 3 |
| 85 | Hugo Platzer | 3 |
| 85 | Alexander Gramolin | 3 |
| 85 | Alexander Zhirkov | 3 |
| 85 | Ben Maloney / Five or Bust | 3 |
| 85 | Jiong Sun | 3 |
| 85 | Meng-Hsuan Wu | 3 |
| 95 | Ray Ballinger | 2 |
| 95 | Lewis,Jobling,Nash | 2 |
| 95 | Ed Pegg | 2 |
| 95 | Andy Steward | 2 |
| 95 | Steven Harvey | 2 |
| 95 | Andy Klingeleers | 2 |
| 95 | Ananda Tallur & Jean-Louis Charton | 2 |
| 95 | Valeryi Kuryshev | 2 |
| 95 | Engracio Esmenda / Five or Bust | 2 |
| 95 | Markus Tervooren | 2 |
| 95 | Matthew Peets | 2 |
| 95 | J. Alm & D. Johnson | 2 |
| 95 | Paul Jobling | 2 |
| 95 | Peter Lesala | 2 |
| 95 | Michael Kwok | 2 |
| 95 | Leonid Durman | 2 |
| 95 | Peter Liaskovsky | 2 |
| 112 | James G. Merickel | 1 |
| 112 | Tetsuya Kobayashi | 1 |
| 112 | Hugo Pfoertner | 1 |
| 112 | Tony Reix / Diepeveen-Underwood -Reix | 1 |
| 112 | Vincent Diepeveen | 1 |
| 112 | Lew Baxter | 1 |
| 112 | William Garnett | 1 |
| 112 | Nuutti Kuosa | 1 |
| 112 | Matthias Wurtinger | 1 |
| 112 | Michael Eaton | 1 |
| 112 | Paul Bourdelais, Harvey Dubner | 1 |
| 112 | Richard FitzHugh | 1 |
| 112 | Giovanni La Barbera | 1 |
| 112 | Dmitry Kamenetsky | 1 |
| 112 | Dudley Fox | 1 |
| 112 | Phil Carmody | 1 |
| 112 | Ed T. Prothro | 1 |
| 112 | Guido Smetrijns | 1 |
| 112 | D.Broadhurst and N.Mandela | 1 |
| 112 | Polly T. Wang | 1 |
| 112 | Cyclamen Persicum | 1 |
| 112 | Sean A. Irvine | 1 |
| 112 | Sander Hoogendoorn | 1 |
| 112 | Rubén Blanco | 1 |
| 112 | D.Broadhurst and M.Kamada | 1 |
| 112 | Göran Hemdal | 1 |
| |
Top discoverers by production score*
| Rank | Discoverer | Score | | 1 | Engracio Esmenda / Five or Bust | 49.88 |
| 2 | Ben Maloney / Five or Bust | 47.76 |
| 3 | Tony Reix / Diepeveen-Underwood -Reix | 47.23 |
| 4 | Paul Bourdelais | 46.18 |
| 5 | Jean-Louis Charton | 45.64 |
| 6 | Henri Lifchitz | 45.28 |
| 6 | Lelio R Paula | 45.28 |
| 6 | Borys Jaworski | 45.28 |
| 9 | Leonid Durman | 44.54 |
| 10 | Mike Oakes | 44.17 |
| 11 | Phil Moore | 43.94 |
| 12 | Renaud Lifchitz | 43.92 |
| 13 | Ray Chandler | 43.75 |
| 14 | Serge Batalov | 43.68 |
| 14 | Yves Minet | 43.68 |
| 16 | Anatoly F. Selevich | 43.64 |
| 17 | Matthias Wurtinger | 43.42 |
| 18 | Patrick De Geest | 43.34 |
| 19 | Syoichiro Yamada | 43.31 |
| 20 | Donovan Johnson | 43.14 |
| 21 | Robert Price | 43.08 |
| 22 | Vincent Diepeveen | 42.90 |
| 23 | Erik Branger | 42.83 |
| 24 | Maksym Voznyy | 42.74 |
| 25 | Eric W. Weisstein | 42.65 |
| 26 | Jens K. Andersen | 42.43 |
| 27 | Milton L. Brown | 42.42 |
| 28 | Markus Tervooren | 42.20 |
| 29 | Alexander Gramolin | 42.07 |
| 29 | Andy Steward | 42.07 |
| 31 | Dmitry Domanov | 41.96 |
| 32 | Theodore Burton | 41.87 |
| 33 | Kimmo Herranen | 41.78 |
| 34 | Jason Earls | 41.45 |
| 35 | Cletus Emmanuel | 41.37 |
| 36 | Valeryi Kuryshev | 41.27 |
| 37 | Gary Barnes | 41.21 |
| 38 | Payam Samidoost | 41.12 |
| 38 | Faysal YAtim | 41.12 |
| 40 | Jean Penné | 41.09 |
| 40 | Andrey Kulsha | 41.09 |
| 42 | M. Frind & P. Underwood | 41.07 |
| 43 | T. D. Noe | 41.01 |
| 44 | Alexander Zhirkov | 40.98 |
| 45 | David Broadhurst | 40.94 |
| 46 | Enzo Doria | 40.77 |
| 47 | Wayne Halsdorf | 40.73 |
| 48 | Bernardo Boncompagni | 40.69 |
| 49 | Darren Bedwell | 40.57 |
| 50 | H.&R. Lifchitz | 40.55 |
| 51 | Paul Underwood | 40.45 |
| 52 | Joe McLean | 40.21 |
| 53 | Jim Fougeron | 39.99 |
| 54 | Daniel Heuer | 39.90 |
| 54 | Michael Porter | 39.90 |
| 56 | Paul Bourdelais, Harvey Dubner | 39.83 |
| 57 | Arkadiusz Wesolowski | 39.82 |
| 58 | Robert Smith | 39.67 |
| 59 | D. Gazzoni Filho & Lucas Teixeira | 39.61 |
| 60 | Predrag Minovic | 39.60 |
| 60 | Wojciech Florek | 39.60 |
| 62 | Ryan C Weaving | 39.53 |
| 63 | Kevin Acres | 39.42 |
| 64 | Dirk Augustin | 39.29 |
| 65 | Lew Baxter | 39.11 |
| 66 | Norbert Schneider | 39.10 |
| 67 | Harald Ritter | 38.81 |
| 68 | Richard Fischer | 38.63 |
| 69 | Patrick Schmeer | 38.62 |
| 70 | Ananda Tallur & Jean-Louis Charton | 38.57 |
| 71 | Gary Chaffey | 38.45 |
| 72 | Thomas Masser | 38.41 |
| 73 | Décio Gazzoni Filho | 38.37 |
| 73 | D.Broadhurst and W.Edgington | 38.37 |
| 75 | Makoto Kamada | 38.30 |
| 76 | Peter Lesala | 38.24 |
| 77 | Pierre CAMI | 38.19 |
| 78 | Phil Carmody | 38.06 |
| 79 | Jiong Sun | 38.02 |
| 80 | Tom Wu | 37.97 |
| 81 | Bouk de Water | 37.79 |
| 82 | Kamil Duszenko | 37.76 |
| 83 | Harvey Dubner | 37.75 |
| 84 | Paul Leyland | 37.73 |
| 85 | Mark Rodenkirch | 37.61 |
| 86 | Hans Havermann | 37.55 |
| 87 | Markus Hiltbrunner | 37.50 |
| 88 | Joel Levy | 37.49 |
| 89 | Sinkiti Sibata | 37.42 |
| 90 | Gilbert Mozzo | 37.38 |
| 91 | Meng-Hsuan Wu | 37.27 |
| 92 | Matt Stath | 37.26 |
| 93 | Greg Childers | 37.25 |
| 94 | Raffi Chaglassian | 37.11 |
| 95 | Marcin Lipinski | 37.04 |
| 96 | Richard McIntosh | 37.02 |
| 97 | Rob Binnekamp | 36.95 |
| 98 | Lewis,Jobling,Nash | 36.60 |
| 99 | Ken Davis | 36.42 |
| 100 | James G. Merickel | 36.39 |
| 101 | D.Broadhurst and N.Mandela | 36.24 |
| 102 | D.Broadhurst and M.Kamada | 36.22 |
| 103 | D. Broadhurst & B. de Water | 36.20 |
| 104 | Steven Harvey | 36.04 |
| 105 | Alexander Kuzmich | 35.89 |
| 106 | Paul Schmidt | 35.80 |
| 107 | Anton Vrba | 35.69 |
| 108 | Dudley Fox | 35.53 |
| 109 | William Garnett | 35.29 |
| 110 | Walter Nissen | 35.20 |
| 111 | Peter Liaskovsky | 35.18 |
| 112 | Ray Ballinger | 35.15 |
| 113 | Matthew Peets | 35.10 |
| 114 | Hugo Platzer | 34.80 |
| 115 | V.M.Ulyanov | 34.78 |
| 115 | Leonid Muraviov | 34.78 |
| 117 | Giovanni Di Maria | 34.56 |
| 118 | Cyclamen Persicum | 34.54 |
| 119 | Ed Pegg | 34.40 |
| 120 | Paul Jobling | 34.35 |
| 121 | Richard FitzHugh | 34.15 |
| 122 | Michael Kwok | 34.14 |
| 123 | Rubén Blanco | 34.13 |
| 124 | Sean A. Irvine | 34.05 |
| 125 | Ed T. Prothro | 33.94 |
| 126 | Andy Klingeleers | 33.87 |
| 127 | Nuutti Kuosa | 33.79 |
| 128 | Michael Eaton | 33.77 |
| 129 | Tetsuya Kobayashi | 33.61 |
| 130 | J. Alm & D. Johnson | 33.56 |
| 131 | Göran Hemdal | 33.29 |
| 132 | Hugo Pfoertner | 33.23 |
| 133 | Giovanni La Barbera | 33.17 |
| 134 | Polly T. Wang | 32.82 |
| 135 | Guido Smetrijns | 32.76 |
| 136 | Dmitry Kamenetsky | 32.54 |
| 137 | Sander Hoogendoorn | 32.50 |
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