Carl Sagan
American astrophysicist, cosmologist and author (1934–1996)
Common Themes
Videos Mentioning Carl Sagan

Neil deGrasse Tyson: The Harsh Truth About Horoscopes (sorry but it’s true)
The Diary Of A CEO
American astronomer and science communicator, whose book 'The Demon-Haunted World: Science as a Candle in the Dark' is referenced regarding civilization's return to ignorance.

Chris Mason: Space Travel, Colonization, and Long-Term Survival in Space | Lex Fridman Podcast #283
Lex Fridman
Astronomer and author, mentioned for his ideas on communicating with extraterrestrial intelligence using prime numbers.

Robert Proctor: Nazi Science and Ideology | Lex Fridman Podcast #268
Lex Fridman
Lex Fridman quotes Carl Sagan at the end of the podcast, 'Somewhere, something incredible is waiting to be known.'

The Books Cal Newport Read in April 2022 | Deep Questions Podcast
Cal Newport
Author of the novel 'Contact,' a scientist known for popularizing science.

Ep. 194: Doing Less, Building Discipline, and the Books Cal Newport Read in April | Deep Questions
Cal Newport
Astronomer and author of the science fiction novel 'Contact'.

Hamilton Morris on Iboga, 5-MeO-DMT, the Power of Ritual, New Frontiers in Psychedelics, and More
Tim Ferriss
An astrophysicist who anonymously co-authored a section of Lester Grinspoon's 'Marijuana Reconsidered,' describing his revelatory experiences with cannabis.

Productivity Fatigue: Is Striving To "Get Things Done" Causing Burnout? | Cal Newport
Cal Newport
Author of 'Dragons of Eden,' a scientist (astronomer/planetary physicist) who won a Pulitzer Prize for his neuroscience book and is admired for his public communication of science.

The Great Derangement: A Conversation with Tim Urban (Episode #315)
Sam Harris
Astronomer and science communicator. His view of science as a way of thinking, rather than just a body of knowledge, is referenced.

Natalya Bailey: Rocket Engines and Electric Spacecraft Propulsion | Lex Fridman Podcast #157
Lex Fridman
Astronomer and science communicator, whose idea about alien communication timescales is referenced by Lex Fridman and whose quote concludes the podcast.

Clara Sousa-Silva: Searching for Signs of Life on Venus and Other Planets | Lex Fridman Podcast #195
Lex Fridman
Author of the book 'Contact,' whose ideas on the search for life and the notion of not being special greatly influenced Clara Sousa-Silva.

How to Cultivate a Positive, Growth-Oriented Mindset | Dr. Jamil Zaki
Andrew Huberman
An astronomer and science popularizer, known for his 'Pale Blue Dot' concept, an image of Earth as a tiny dot in space, evoking awe.

Stephen Wolfram: Cellular Automata, Computation, and Physics | Lex Fridman Podcast #89
Lex Fridman
American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. Mentioned in context of the Voyager Golden Record.

Katherine de Kleer: Planets, Moons, Asteroids & Life in Our Solar System | Lex Fridman Podcast #184
Lex Fridman
Referenced for his discussion about extraordinary claims requiring extraordinary evidence, applied to the speculation about Oumuamua's origin, and also quoted on Titan's potential for life.

Risto Miikkulainen: Neuroevolution and Evolutionary Computation | Lex Fridman Podcast #177
Lex Fridman
A scientist and author whose quote, 'Extinction is the rule, survival is the exception,' was used to conclude the podcast.

Dr. Martine Rothblatt — The Incredible Polymath of Polymaths | The Tim Ferriss Show
Tim Ferriss
An astronomer and science popularizer who was an amazing role model for Martine Rothblatt, known for his ability to relate scientific concepts to everyday life.

Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137
Lex Fridman
Astronomer and science communicator, quoted at the end of the podcast about humanity being made of 'star stuff,' emphasizing our cosmic connection.

Consciousness is Not a Computation (Roger Penrose) | AI Podcast Clips
Lex Fridman
Mentioned as someone who wrote the foreword for Stephen Hawking's book.

Neil deGrasse Tyson — How to Dream Big | The Tim Ferriss Show
Tim Ferriss
A highly famous popularizer of science, productive scientist, author, and multi-time guest on 'The Tonight Show with Johnny Carson', known for his potent way of communicating science concepts and the 'Cosmos' series.

Ann Druyan: Cosmos, Carl Sagan, Voyager, and the Beauty of Science | Lex Fridman Podcast #78
Lex Fridman
Astronomer, science communicator, and husband of Ann Druyan. Key figure in the creation and inspiration behind the Cosmos series.

Lisa Feldman Barrett: Counterintuitive Ideas About How the Brain Works | Lex Fridman Podcast #129
Lex Fridman
Popularized the 'three-layered brain' narrative in 'The Dragons of Eden,' even though it was already known to be a myth in neuroscience.

Eugenia Kuyda: Friendship with an AI Companion | Lex Fridman Podcast #121
Lex Fridman
An astronomer and science communicator, whose quote about looking death in the eye and being grateful for life's opportunity ends the podcast episode.

David Eagleman: Neuroplasticity and the Livewired Brain | Lex Fridman Podcast #119
Lex Fridman
A renowned astronomer and science communicator, who served as a major inspiration for David Eagleman's career.

Jim Gates: Supersymmetry, String Theory and Proving Einstein Right | Lex Fridman Podcast #60
Lex Fridman
Astronomer and author, quoted for his statement about the waste of space if humanity is the only conscious life in the universe.

Sara Seager: Search for Planets and Life Outside Our Solar System | Lex Fridman Podcast #116
Lex Fridman
Astronomer and science popularizer, quoted at the end of the podcast with the words: 'Somewhere, something incredible is waiting to be known.'