| # | Title | Name | Town/City | S/C/P | Region | Comment | Date |
|---|---|---|---|---|---|---|---|
| 451 | MR | Ian Morgan | Wroclaw | N/G | Poland | N/G | Feb 20, 2008 |
| 452 | Ms | Lily-May Young | N/G | N/G | USA | N/G | Feb 20, 2008 |
| 453 | ms | Charlotte Vincent | N/G | N/G | UK | View | Feb 20, 2008 |
| 454 | Ms | Bronwyn Tweddle | Wellington | N/G | New Zealand | N/G | Feb 20, 2008 |
| 455 | Ms | Jacqui Carroll | East Brisbane | Queensland | Australia | N/G | Feb 20, 2008 |
| 456 | Dr | Neal Swettenham | Loughborough University | N/G | UK | N/G | Feb 20, 2008 |
| 457 | Mr | John Nobbs | East Brisbane | Queensland | Australia | N/G | Feb 20, 2008 |
| 458 | Ms | Coralie Winn | N/G | N/G | New Zealand | View | Feb 20, 2008 |
| 459 | Dr. | Jose Alberto Ferreira | 7002-504 EVORA | N/G | Portugal | N/G | Feb 20, 2008 |
| 460 | Ms | Shannon Payne | Northampton | Massachusetts | USA | N/G | Feb 20, 2008 |
| 461 | Dr | Rúnar Guðbrandsson | Reykjavík | Iceland | Iceland | View | Feb 20, 2008 |
| 462 | Dr. | Jane House | New York | New York | USA | View | Feb 20, 2008 |
| 463 | Ms | Birna Hafstein | Reykjavík | Iceland | Iceland | N/G | Feb 20, 2008 |
| 464 | Mr | josé pedro alves ferraz da silva | porto | porto | Portugal | N/G | Feb 20, 2008 |
| 465 | Ms. | Emily Cross | Hilliard | Ohio | USA | View | Feb 20, 2008 |
| 466 | Ms | Geraldine Cook | Windsor | Victoria | Australia | View | Feb 20, 2008 |
| 467 | Mr | Panos Diakakis | Amsterdam, | N/G | Netherlands | N/G | Feb 20, 2008 |
| 468 | Miss | Sam Gibb | N/G | N/G | UK | N/G | Feb 20, 2008 |
| 469 | Ms | Jacqueline Muller | N/G | N/G | USA | N/G | Feb 20, 2008 |
| 470 | miss | lucy tuck | N/G | N/G | UK | View | Feb 20, 2008 |
| 471 | Ms | Meghan Beitiks | N/G | N/G | USA | N/G | Feb 20, 2008 |
| 472 | Dr | Barry Laing | Melbourne | N/G | Australia | N/G | Feb 20, 2008 |
| 473 | Dr. | Barbara Acker | Mesa | Arizona | USA | View | Feb 20, 2008 |
| 474 | Dr | Dorothy noyes | N/G | N/G | USA | N/G | Feb 20, 2008 |
| 475 | Mr | Brandon Woolf | N/G | N/G | USA | N/G | Feb 20, 2008 |
| 476 | Ms | Dawn Albinger | Booroobin | QLD | Australia | View | Feb 20, 2008 |
| 477 | Prof. | Zane Trow | N/G | N/G | Australia | N/G | Feb 20, 2008 |
| 478 | Ms | Jacquie P.A. Thomas | N/G | N/G | Canada | View | Feb 20, 2008 |
| 479 | Dr | Barry Smith | N/G | N/G | UK | View | Feb 20, 2008 |
| 480 | ms | zsuzsanna soboslay | N/G | N/G | Australia | N/G | Feb 20, 2008 |
| 481 | Ms | Lindsey Drury | Renton | WA | USA | View | Feb 20, 2008 |
| 482 | Ms | Colleen Lanki | N/G | N/G | Canada | View | Feb 20, 2008 |
| 483 | Mr | Adam Hayward | Christchurch | N/G | New Zealand | View | Feb 20, 2008 |
| 484 | Ms | Charlene Rajendran | Singapore | N/G | Singapore | N/G | Feb 20, 2008 |
| 485 | Ms | Devika Wasson | N/G | N/G | Canada | N/G | Feb 20, 2008 |
| 486 | Mr | Ronald Gilliam | Honolulu | HI | USA | N/G | Feb 20, 2008 |
| 487 | Mr | Giles Parbery | N/G | N/G | UK | N/G | Feb 20, 2008 |
| 488 | Ms | Margaret Dragu | Richmond | BC | Canada | View | Feb 20, 2008 |
| 489 | Ms | Katie Burton | N/G | N/G | New Zealand | N/G | Feb 20, 2008 |
| 490 | Ms | Sophie Jerram | Wellington | N/G | New Zealand | View | Feb 20, 2008 |
| 491 | Mr | Andrew Brettell | Wellington | N/G | New Zealand | N/G | Feb 20, 2008 |
| 492 | miss | Laura Nicholls | N/G | N/G | New Zealand | N/G | Feb 20, 2008 |
| 493 | Ms | Hannah Davies | N/G | N/G | New Zealand | N/G | Feb 20, 2008 |
| 494 | Mr | David Bateman | N/G | N/G | South Korea | N/G | Feb 20, 2008 |
| 495 | Dr | Sue Yore | N/G | N/G | UK | View | Feb 20, 2008 |
| 496 | Ms | Karen Toftegaard | Copenhagen | N/G | Denmark | N/G | Feb 20, 2008 |
| 497 | Mr | Will Bond | Round Lake | NY | USA | View | Feb 20, 2008 |
| 498 | Dr. | Rustom Bharucha | N/G | N/G | India | N/G | Feb 21, 2008 |
| 499 | Mr | Marek Adamov | Zilina | N/G | Slovakia | N/G | Feb 21, 2008 |
| 500 | Mr | Raymon Montalbetti | Saskatoon | Saskatchewan | Canada | View | Feb 21, 2008 |
- S/C/P - State, County or Province
- Dates displayed in the signature list are based on UTC/GMT
- Anonymous signatures signify people who have chosen not to display their names publicly
- A comment in gray indicates that the signer has hidden their comment from public view