| # | Title | Name | Town/City | Region | Comment | Date |
|---|---|---|---|---|---|---|
| 1901 | Dr. | Carlos Lamas | São Paulo | Brazil | N/G | Jul 20, 2020 |
| 1902 | Dr. | David Drumm | Moscow | N/G | N/G | Jul 20, 2020 |
| 1903 | Ms | Alyssa Fuller | N/G | USA | N/G | Jul 20, 2020 |
| 1904 | Mr | steven tracey | LONDON | UK | Hidden | Jul 20, 2020 |
| 1905 | Ms | Ely Augustinus | Tegucigalpa | Honduras | N/G | Jul 20, 2020 |
| 1906 | Professor | Samuel Turvey | N/G | UK | N/G | Jul 20, 2020 |
| 1907 | Dr. | Daniel Hughes | Cedar Rapids | USA | N/G | Jul 20, 2020 |
| 1908 | Ms. | Anonymous | Cluj-Napoca | Romania | N/G | Jul 20, 2020 |
| 1909 | MSc | Keider Neves | Mindelo | Cape Verde | N/G | Jul 20, 2020 |
| 1910 | Dr. | Paulo Melo-Sampaio | N/G | Brazil | N/G | Jul 20, 2020 |
| 1911 | Berenit | Mendoza Garfias | Cdmx | Mexico | N/G | Jul 20, 2020 |
| 1912 | Dr. | Alexandre Somavillla | Manaus | Brazil | N/G | Jul 20, 2020 |
| 1913 | N/G | Jennifer Smolenski | Los Angeles | USA | N/G | Jul 20, 2020 |
| 1914 | Mr | Jonathan Huie | Seattle | USA | N/G | Jul 20, 2020 |
| 1915 | Dr.l | Mary Wicksten | College Station | USA | View | Jul 20, 2020 |
| 1916 | Dr. | Tsung Fei Khang | Kuala Lumpur | Malaysia | N/G | Jul 20, 2020 |
| 1917 | Dr. | Anonymous | Washington DC | USA | N/G | Jul 20, 2020 |
| 1918 | Dr. | Laura Nicoli | N/G | Argentina | N/G | Jul 20, 2020 |
| 1919 | DR. | Anonymous | Quito | N/G | N/G | Jul 20, 2020 |
| 1920 | Dr | Maria Clara Santarém | São Gonçalo | Brazil | N/G | Jul 20, 2020 |
| 1921 | MR | Daniel Méndez Sánchez | Prague | Czech Republic | N/G | Jul 20, 2020 |
| 1922 | Dr. | Douglas zeppelini | João Pessoa | Brazil | View | Jul 20, 2020 |
| 1923 | N/G | Wendy Enright | San Diego | USA | View | Jul 20, 2020 |
| 1924 | Prof | Ferdinando Boero | Naples | Italy | N/G | Jul 20, 2020 |
| 1925 | Dr | Diego Inclan | Quito | Ecuador | Hidden | Jul 20, 2020 |
| 1926 | Etc | Fardin Faizi | Tehran | Iran | N/G | Jul 20, 2020 |
| 1927 | Mr. | Luis Alberto García-Ayachi | Lima | Peru | View | Jul 20, 2020 |
| 1928 | Ms | Dakota Edwards | ogden | USA | N/G | Jul 20, 2020 |
| 1929 | Mr. | Nicholas Gladstone | Opelika | USA | N/G | Jul 20, 2020 |
| 1930 | Dr. | Marla Schwarzfeld | Ottawa | Canada | N/G | Jul 20, 2020 |
| 1931 | Dr | Peter Olson | London | UK | View | Jul 20, 2020 |
| 1932 | Dr | Carlos Cordero | CIUDAD DE MEXICO | Mexico | N/G | Jul 20, 2020 |
| 1933 | Dr. | Anonymous | N/G | Portugal | N/G | Jul 20, 2020 |
| 1934 | N/G | Rita Soares | Rio de Janeiro | Brazil | N/G | Jul 20, 2020 |
| 1935 | Dr | Andrea Sforzi | Grosseto | Italy | N/G | Jul 20, 2020 |
| 1936 | Dr | Pier Mauro Giachino | San Martino Canavese ( to) | N/G | N/G | Jul 20, 2020 |
| 1937 | Ms | Bruna Queiroz Silva | João Pessoa | Brazil | N/G | Jul 20, 2020 |
| 1938 | Mr. | Roberto Gomez | Corvallis | USA | N/G | Jul 20, 2020 |
| 1939 | Dr. | Timothy Colston | N/G | USA | N/G | Jul 20, 2020 |
| 1940 | Mr. | Ignacio Contreras | Santiago | Chile | N/G | Jul 20, 2020 |
| 1941 | M.Sc. | John Kochalka | Asuncion | Paraguay | N/G | Jul 20, 2020 |
| 1942 | Dr. | Petr Kment | Lysá nad Labem | Czech Republic | N/G | Jul 20, 2020 |
| 1943 | Dr | Maria Helena Leme | Brazil | N/G | N/G | Jul 20, 2020 |
| 1944 | Dra. | Licia Sales Oliveira | São Paulo | Brazil | N/G | Jul 20, 2020 |
| 1945 | Dr | Catherine Dupont | Lima | Peru | N/G | Jul 20, 2020 |
| 1946 | Dr. | Eliane Arruda | Votorantim | N/G | N/G | Jul 20, 2020 |
| 1947 | Dr. | Peter Kerr | Sacramento | USA | N/G | Jul 20, 2020 |
| 1948 | N/G | Erin Oderlin | LAKEWOOD | USA | N/G | Jul 20, 2020 |
| 1949 | Mr | Aurelien Delaval | N/G | Norway | N/G | Jul 20, 2020 |
| 1950 | N/G | Vaclav Gvozdik | N/G | Czech Republic | N/G | Jul 20, 2020 |
- 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