| # | Title | Name | Town/City | S/C/P | Region | Date |
|---|---|---|---|---|---|---|
| 551 | Dr | Rebecca Barnes | Boulder | CO | USA | Nov 14, 2008 |
| 552 | Dr. | Shane Heschel | Colorado Springs | CO | USA | Nov 14, 2008 |
| 553 | Mrs | Pamela Stogsdill | Racine | WI | USA | Nov 14, 2008 |
| 554 | Dr. | Chris Blackwood | Kent | OH | USA | Nov 14, 2008 |
| 555 | Mr. | Matthew Busillo | Carrboro | NC | USA | Nov 14, 2008 |
| 556 | Ms | Elizabeth Mullen-Houser | La Crosse | WI | USA | Nov 14, 2008 |
| 557 | Dr. | Catherine Woodward | Madison | WI | USA | Nov 14, 2008 |
| 558 | Mrs. | Karen Kosky | Batavia | IL | USA | Nov 14, 2008 |
| 559 | Dr. | G. Dennis Cooke | Kent | OH | USA | Nov 14, 2008 |
| 560 | Ms | Caitlin Dodge | Madison | WI | USA | Nov 14, 2008 |
| 561 | Ms | Keri Lindberg | Rockport | Maine | USA | Nov 14, 2008 |
| 562 | N/G | Andrew and Esperanza Stancioff | Camden | ME | USA | Nov 14, 2008 |
| 563 | Dr. | Chris Steiner | Detroit | MI | USA | Nov 14, 2008 |
| 564 | Dr. | John R. Jones | Columbia | MO | USA | Nov 14, 2008 |
| 565 | Dr. | Carol Lee | Madison | Wisconsin | USA | Nov 14, 2008 |
| 566 | Mr | Guillermo Duran | N/G | N/G | Costa Rica | Nov 14, 2008 |
| 567 | N/G | Marijan Posavi | Madison | WI | USA | Nov 14, 2008 |
| 568 | MS | Davorka Gulisija | N/G | N/G | USA | Nov 14, 2008 |
| 569 | Dr. | John Feeney | N/G | N/G | USA | Nov 14, 2008 |
| 570 | Dr. | Dale Gentry | N/G | N/G | USA | Nov 14, 2008 |
| 571 | Ms | Laura Chartier | Honolulu | Hawaii | USA | Nov 14, 2008 |
| 572 | Mr. | Sean Dodaro | Cleveland | OH | USA | Nov 14, 2008 |
| 573 | Ms. | Kate Geaves | Washington | DC | USA | Nov 14, 2008 |
| 574 | Dr | Burnell Held | Fort Collins | CO | USA | Nov 14, 2008 |
| 575 | N/G | Hope Woodward | N/G | N/G | USA | Nov 14, 2008 |
| 576 | Mrs. | Mary Morris | N/G | N/G | USA | Nov 14, 2008 |
| 577 | Ms. | Hannah Motl | N/G | N/G | USA | Nov 14, 2008 |
| 578 | Dr. | Erik Lehnhoff | Bozeman | MT | USA | Nov 14, 2008 |
| 579 | Mr. | Stephen Hylden | N/G | N/G | USA | Nov 14, 2008 |
| 580 | Dr | Lisa Horth | Norfolk | VA | USA | Nov 14, 2008 |
| 581 | Dr. | Steve VeGodsky | N/G | N/G | USA | Nov 14, 2008 |
| 582 | Dr. | Sophia E. Fox | N/G | N/G | USA | Nov 14, 2008 |
| 583 | Mr. | Jack Lipkin | Stillwater | Ok | USA | Nov 14, 2008 |
| 584 | Mr. | Lee Mishkin | N/G | N/G | USA | Nov 14, 2008 |
| 585 | Mrs | Michele Vande Streek | N/G | WI | USA | Nov 14, 2008 |
| 586 | Mrs. | Gerry Seymour | Glen Mills | PA | USA | Nov 14, 2008 |
| 587 | Dr. | Christopher Lepczyk | N/G | N/G | USA | Nov 14, 2008 |
| 588 | Mrs | Susan Kwiatkowski | Gurnee | Il | USA | Nov 14, 2008 |
| 589 | N/G | Bettina Bepler | N/G | N/G | USA | Nov 14, 2008 |
| 590 | Dr. | Allison Aldous | Portland | OR | USA | Nov 14, 2008 |
| 591 | N/G | Marianne Lepczyk | Traverse City | Mi | USA | Nov 14, 2008 |
| 592 | N/G | Rebekah Zemple | N/G | N/G | USA | Nov 14, 2008 |
| 593 | N/G | Brianna Laube | N/G | N/G | USA | Nov 14, 2008 |
| 594 | N/G | Annie Grant | N/G | N/G | USA | Nov 14, 2008 |
| 595 | N/G | corinna caplan | milwaukee | wi | USA | Nov 14, 2008 |
| 596 | N/G | peter markos | N/G | N/G | USA | Nov 14, 2008 |
| 597 | Mr | Jonathan Mowatt | N/G | NSW | Australia | Nov 15, 2008 |
| 598 | N/G | Anonymous | Calgary | Alberta | Canada | Nov 15, 2008 |
| 599 | N/G | Michael Kirkpatrick | Fort Collins | CO | USA | Nov 15, 2008 |
| 600 | N/G | Anonymous | N/G | N/G | USA | Nov 15, 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