| | | | Watchful Stars |
| | Linda | Billings | NASA consultant and social scientist. |
| | Frank | Drake | A pioneer in the field of SETI. |
| 1 | La Forge | | The commander at Star Trek. |
| | Picard | | The captain at Star Trek. |
| | Lt. Commander | Data | The android crew member. |
| | Beverly | Crusher | The ship's doctor. |
| | Aristarchus | | The Greek Philosopher. |
| | Caleb | Scharf | An astronomer. Head of Columbia
University astrobiology program. |
| | Copernicus | | A scientist. |
| | Nick | Lane | A biochemist. |
| | Galileo | Galilei | An inventor. |
| | Steven | Dick | A historian of science. |
| | John | Traphagan | An anthropologist. |
| | Karl | Guthke | Scholar of culture. |
| | Carl | Sagan | An astronomer. |
| | Francis | Godwin | An English bishop. |
| | Christiaan | Huygens | An astronomer. |
| | Camile | Flammarion | An astronomer. |
| | Kurd | Lasswitz | A science writer. |
| | Louis | Pasteur | A theorist. |
| | Stanley | Miller | A chemist. |
| | J.B.S | Haldane | A geneticist. |
| | Steven | Benner | A pioneer in the field of
synthetic biology. |
| | Mike | Rusell | A biologist. |
| | Kamila | Muchowska | A chemist. |
| | William | Martin | An evolutionary biologist and chemist. |
| | Kate | Adamala | A synthetic biologist. |
| | Sara Imari | Walker | Adamala's collaborator. |
| | Lee | Cronin | Walker's collaborator. |
| | Horta | | The silicon-based aliens. |
| | Morgan | Cable | A planetary scientist. |
| 2 | Lisa | Messeri | An anthropologist. |
| | Jessie | Christiansen | The science lead at the NASA
Exoplanet archive. |
| | Tim | Pyle | Jessie's collaborator. |
| | Robert | Hurt | Jessie's collaborator. |
| | Abel | Mendez | Professors of physics and
astrobiology. |
| | David | Kipping | An astronomer. |
| | Enric | Palle | An astronomer. |
| | Kaltenegger | | The Gaia Data. |
| 3 | Mick | Ellison | A visual artist. |
| | Katie | Silvensky | Paleontologist, Author, and Science Educator. |
| | Stephen Jay | Gould | A paleontologist. |
| | Mohamed | Noor | An evolutionary biologist. |
| | Simon | Conway-Morris | A leading voice for convergence. |
| | Mary | Malone | An astrophysicist. |
| | Jonathan | Losos | An evolutionary biologist. |
| | Harvey | Greenberg | A psychoanalyst. |
| | Alfa 177 | | An alien in Star Trek. |
| | Xenomorph | | A disturbing alien from the film "Aliens". |
| 4 | Sue | Burke | The author of Semiosis. |
| | Stevland | | The protagonist in Semiosis. |
| | Loren | Eiseley | A nature writer. |
| | Diana | Reiss | The director at Dolphin Research Center. |
| | Lilith | | The human protagonist in Dawn. |
| | Octavia | Butler | The author of Dawn. |
| | Thomas | Nagel | An essayist. |
| | Stanislaw | Lem | The author of Solaris. |
| | Kris | Kelvin | The protagonist in Solaris. |
| | Louise | Banks | A linguist. |
| | Gary | Donnelly | A physicist. Banks's partner. |
| | Ted | Chiang | A writer. |
| 5 | Gene | Roddenberry | The socialist utopia. |
| | Nikolai | Kardashev | An astronomer. |
| | Adam | Frank | An astrophysicist. |
| | Freeman | Dyson | The physicist, mathematician, and general polymath. |
| | Olaf | Stapledon | The author of Star Maker. |
| | Kathryn | Denning | An anthropologist and archaeologist. |
| | Jason | Wright | An astrophysicist. |
| | Seth | Shostak | Senior astronomer at SETI. |
| | Vernon | Vinge | A science fiction author. |
| | Marvin | Minsky | A computer scientist and AI pioneer. |
| | Ravna | | A human protagonist in Zones of Thought. |
| 6 | Sarah | Scoles | A science journalist. |
| | Jerry | Ehman | An astronomer. |
| | Eleanor | Arroway | The main protagonist in Contact. AKA: Ellie. |
| | Jill | Tarter | The SETI scientist. |
| | Ann | Druyan | Carl Sagan's wife. |
| | Andrew | Siemeon | The director of the
Berkeley SETI research center. |
| | Shelley | Wright | An astronomer. |
| | Mary Doria | Russell | An anthropologist. |
| | Emilio | Sandoz | A priest and linguist. |
| | Stephen | Hawking | A famous author. |
| | Rachel | Heywood-Ferreira | A science fiction scholar. |
| | Jessica | Fitzpatrick | A critic. |
| | Askama | | A character in The Sparrow. |
| | Emilio | | A character in The Sparrow. |
| | Noam | Chomsky | A linguist. |
| | Alec | Marantz | A linguist. Chomsk's colleague. |
| | David | Eterson | A language inventor in movies. |
| | Andrea | Moro | A linguist. |
| | | | Hopeful Monster |
| | Lynn | Margulis | An evolutionary biologist. |
| | Meg | Murry | The protagonist in A Wrinkle In Time. |
