| # | Title | Name | Town/City | S/C/P | Region | Comment | Date |
|---|---|---|---|---|---|---|---|
| 651 | Ms | Surbhi Nahata | Corvallis | oregon | USA | N/G | Jan 18, 2019 |
| 652 | Dr. | Anonymous | Esquel | Chubut | Argentina | N/G | Jan 18, 2019 |
| 653 | Professor | Peter Davies | Ithaca | New York | USA | N/G | Jan 18, 2019 |
| 654 | Dr | Annabelle Déjardin | Orléans | Centre Val de Loire | France | N/G | Jan 18, 2019 |
| 655 | Mr. | Curt Almqvist | Uppsala | Swden | Sweden | N/G | Jan 18, 2019 |
| 656 | Mr | Anonymous | Middlesbrough | Yorks | UK | View | Jan 18, 2019 |
| 657 | N/G | Katrina Johnson | Moscow | Idaho | USA | N/G | Jan 18, 2019 |
| 658 | Dr. | John Dziak | State College | Pennsylvania | USA | N/G | Jan 19, 2019 |
| 659 | 1942 | AUSTIN STRAUSS | NEWTOWN | PA | USA | N/G | Jan 19, 2019 |
| 660 | 1954 | JOHN JOHNSON | Summerville | SC | USA | N/G | Jan 19, 2019 |
| 661 | Mr | Anonymous | Walkerton | Ontario | N/G | N/G | Jan 19, 2019 |
| 662 | Mr | André Tomas Vilela Hermann | Petrópolis | Rio de Janeiro | Brazil | N/G | Jan 19, 2019 |
| 663 | Dr. | H. J. Dubin | frederick | Maryland | USA | N/G | Jan 20, 2019 |
| 664 | Mrs | Anonymous | New Westminster | BC | Canada | N/G | Jan 20, 2019 |
| 665 | Dr. | Chrsitopher Topp | St. Louis | Missouri | USA | N/G | Jan 20, 2019 |
| 666 | N/G | Anonymous | Philadelphia | Pennsylvania | USA | N/G | Jan 21, 2019 |
| 667 | Dr. | Son Le | Bactuliem | Hanoi | Vietnam | N/G | Jan 22, 2019 |
| 668 | Dr | Lise Jouanin | Noisy Le Roi | France | France | N/G | Jan 22, 2019 |
| 669 | Dr. | Christopher Still | Corvallis | OR | USA | N/G | Jan 22, 2019 |
| 670 | Dr | Alice Muriithi | Bondo | Kenya | N/G | N/G | Jan 23, 2019 |
| 671 | Dr | Robert Musundire | Chinhoyi | Mashonaland West Province | Zimbabwe | View | Jan 23, 2019 |
| 672 | N/G | CELINE CAMMARATA | ITHACA | New York | USA | N/G | Jan 23, 2019 |
| 673 | Dr | Bojin Bojinov | Plovdiv | Plovdiv | Bulgaria | N/G | Jan 23, 2019 |
| 674 | Mr. | Richard Uhrenholdt | Elgin | NE | USA | N/G | Jan 23, 2019 |
| 675 | N/G | Alejandro Gil | State College | Pennsylvania | USA | N/G | Jan 23, 2019 |
| 676 | Ms | K Danowski | Pittsburgh | PA | USA | N/G | Jan 24, 2019 |
| 677 | Miss | Ruth Sinclair | Eastleigh | Hampshire | UK | N/G | Jan 24, 2019 |
| 678 | Dr. | Barbara De Meester | Zwijnaarde | Oost-Vlaanderen | Belgium | N/G | Jan 24, 2019 |
| 679 | Ms | Tatiana Cinquetti | La Plata | Buenos Aires | Argentina | View | Jan 24, 2019 |
| 680 | Dr. | Bernd Markus Lange | Pullman | WA | USA | N/G | Jan 24, 2019 |
| 681 | N/G | Anonymous | Auburndale | MA | USA | N/G | Jan 24, 2019 |
| 682 | Mrs. | Valerie Suwanseree | พระนครศรึอยุธยา | Phra Nakhon Si Ayutthaya | Thailand | Hidden | Jan 25, 2019 |
| 683 | Miss | Anonymous | Saint Helens | Oregon | N/G | N/G | Jan 25, 2019 |
| 684 | Mr | Jesse Otto | West Lawn | PA | USA | View | Jan 26, 2019 |
| 685 | Ray Donheiser | Ray Donheiser | The Dalles | Oregon | USA | N/G | Jan 26, 2019 |
| 686 | N/G | Anonymous | North Syracuse | NY | USA | N/G | Jan 27, 2019 |
| 687 | Mr | Ogunleye Damilola | Abuja | Federal Capital Teritory | Nigeria | View | Jan 28, 2019 |
| 688 | Mr | Karim Alameddine | Montreal | Quebec | Canada | View | Jan 29, 2019 |
| 689 | Peter Maina | Peter Maina | nakuru | nakuru | Kenya | View | Jan 30, 2019 |
| 690 | Mr | Henrique Nagazawa | Guará | Distrito Federal | Brazil | N/G | Jan 30, 2019 |
| 691 | Ms | BAYALA Eliane | Ouagadougou | Ouagadougou | Burkina Faso | N/G | Feb 01, 2019 |
| 692 | Dr. | Tomas Moravec | Praha | Hlavni Mesto Praha | Czech Republic | N/G | Feb 01, 2019 |
| 693 | Dr | Anonymous | Fredrikstad | Norway | Norway | N/G | Feb 01, 2019 |
| 694 | N/G | Carolyn Parsons | Bongo | Huambo | Angola | N/G | Feb 01, 2019 |
| 695 | Dr. | Jennifer Costanza | Chapel Hill | North Carolina | USA | N/G | Feb 02, 2019 |
| 696 | Prof. | Joseph Jez | St. Lous | Missouri | USA | N/G | Feb 04, 2019 |
| 697 | N/G | Jerald Pinson | Gainesville | FL | USA | N/G | Feb 04, 2019 |
| 698 | Mr. | Westin Kosater | Philadelphia | Pennsylvania | USA | N/G | Feb 04, 2019 |
| 699 | Prof | Wim Vermaas | Tempe | Arizona | USA | N/G | Feb 04, 2019 |
| 700 | Dr. | Marc Gillespie | Jamaica | New York | USA | N/G | Feb 04, 2019 |
- 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