| # | Title | Name | Town/City | S/C/P | Region | Comment | Date |
|---|---|---|---|---|---|---|---|
| 1601 | Mr | Ji Li | storrs | N/G | USA | N/G | Apr 27, 2011 |
| 1602 | Dr | Vitaliy Kurlin | Durham | N/G | UK | N/G | Apr 27, 2011 |
| 1603 | Dr | Otgonbayar Uuye | Copenhagen | N/G | Denmark | N/G | Apr 27, 2011 |
| 1604 | Dr | Francois Loeser | Paris | N/G | France | N/G | Apr 27, 2011 |
| 1605 | Dr | Tony Huynh | Maastricht | N/G | Netherlands | N/G | Apr 27, 2011 |
| 1606 | Mr | KEBBAB Idir | PARIS | France | France | View | Apr 27, 2011 |
| 1607 | Prof | Konstantin Athanassopoulos | Iraklion | Crete | Greece | N/G | Apr 27, 2011 |
| 1608 | Dr. | Zbigniew Piotrowski | Austintown | OH | USA | View | Apr 27, 2011 |
| 1609 | Dr | Thomas Kalinowski | Newcastle | NSW | Australia | N/G | Apr 27, 2011 |
| 1610 | Dr | Fer-Jan de Vries | Leicester | N/G | UK | N/G | Apr 27, 2011 |
| 1611 | Mr | Alexander Beilinson | River Forest | IL | USA | N/G | Apr 27, 2011 |
| 1612 | Dr | Abdelmoubine Amar Henni | Campinas | N/G | Brazil | N/G | Apr 27, 2011 |
| 1613 | Dr | Andrew Stacey | Trondheim | N/G | Norway | N/G | Apr 27, 2011 |
| 1614 | Mr | Benjamin Linowitz | Hanover | N/G | USA | N/G | Apr 27, 2011 |
| 1615 | Mr | Darij Grinberg | Karlsruhe | N/G | Germany | View | Apr 27, 2011 |
| 1616 | Dr | Nils Bruin | Burnaby | BC | Canada | N/G | Apr 27, 2011 |
| 1617 | Dr | Paul Pollack | Urbana | IL | USA | N/G | Apr 27, 2011 |
| 1618 | prof. | Wim van Dam | Santa Barbara | California | USA | View | Apr 27, 2011 |
| 1619 | Dr | Nicholas Ramsey | Chicago | IL | USA | N/G | Apr 27, 2011 |
| 1620 | Dr | José L. Rodríguez | Almería | Spain | Europe | N/G | Apr 27, 2011 |
| 1621 | Dr. | Cor Kraaikamp | Delft | N/G | Netherlands | N/G | Apr 27, 2011 |
| 1622 | Univ.-Prof. Dr. | Ulrich Koschorke | Siegen | N/G | Germany | N/G | Apr 27, 2011 |
| 1623 | Mr | Anonymous | Toronto | N/G | Canada | N/G | Apr 27, 2011 |
| 1624 | Dr | Maarten Bergvelt | Champaign | N/G | USA | N/G | Apr 27, 2011 |
| 1625 | Professor | Valerio Toledano Laredo | Boston | N/G | USA | N/G | Apr 27, 2011 |
| 1626 | Mr | Andrew Manion | Princeton | New Jersey | USA | N/G | Apr 27, 2011 |
| 1627 | Prof. | Gloria Mari Beffa | Madison | Wisconsin | USA | N/G | Apr 27, 2011 |
| 1628 | Dr | James McKinna | Nijmegen | N/G | Netherlands | N/G | Apr 27, 2011 |
| 1629 | Dr | Christopher Douglas | Oxford | N/G | UK | N/G | Apr 27, 2011 |
| 1630 | Mr | Ajay Chandra | Charlottesville | Virginia | USA | N/G | Apr 27, 2011 |
| 1631 | Mr. | Geoffrey Ehrman | Dover | NH | USA | N/G | Apr 27, 2011 |
| 1632 | Ms | Heather Macbeth | Princeton | New Jersey | USA | N/G | Apr 27, 2011 |
| 1633 | Mr | Fei SUN | Paris | N/G | France | N/G | Apr 27, 2011 |
| 1634 | Mr | Eric Naslund | Vancouver | N/G | Canada | N/G | Apr 27, 2011 |
| 1635 | Prof | Joseph Chuang | London | N/G | UK | N/G | Apr 27, 2011 |
| 1636 | Professor | James Lewis | Edmonton | Alberta | Canada | View | Apr 27, 2011 |
| 1637 | Prof. | Rolf Poulsen | DK-2100 Copenhagen | N/G | Denmark | N/G | Apr 27, 2011 |
| 1638 | Dr | Cédric Boutillier | Paris | N/G | France | N/G | Apr 27, 2011 |
| 1639 | Mr | Mikołaj Stańczyk | Tychy | N/G | Poland | N/G | Apr 27, 2011 |
| 1640 | Dr | Anonymous | Zürich | N/G | Switzerland | N/G | Apr 27, 2011 |
| 1641 | Dr. | donald bennett | murray | N/G | USA | N/G | Apr 27, 2011 |
| 1642 | Dr | Henrik Holm | Copenhagen | N/G | Denmark | N/G | Apr 27, 2011 |
| 1643 | Dr | Alexey Gorinov | Liverpool | N/G | UK | View | Apr 27, 2011 |
| 1644 | Drs | Fred Lauwers | Amstelveen | N/G | Netherlands | N/G | Apr 27, 2011 |
| 1645 | Prof | Burt Totaro | Cambridge | N/G | UK | View | Apr 27, 2011 |
| 1646 | Dr | Philip Brooker | Canberra | N/G | Australia | N/G | Apr 27, 2011 |
| 1647 | mr | billard herve | Brest | France | France | N/G | Apr 27, 2011 |
| 1648 | Dr | Or Zuk | Cambridge | MA | USA | N/G | Apr 27, 2011 |
| 1649 | Dr. | Stephen Choi | Burnaby | British Columbia | Canada | N/G | Apr 27, 2011 |
| 1650 | Mr | Moritz Schmitt | Berlin | N/G | Germany | N/G | Apr 27, 2011 |
- 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