Seth Shostak
Person
An astronomer mentioned alongside Neil deGrasse Tyson for his stance that convincing evidence for alien technology requires obviously novel technology, not just unusual materials.
Mentioned in 2 videos
Videos Mentioning Seth Shostak

Garry Nolan: UFOs and Aliens | Lex Fridman Podcast #262
Lex Fridman
An astronomer mentioned alongside Neil deGrasse Tyson for his stance that convincing evidence for alien technology requires obviously novel technology, not just unusual materials.

Are We Alone in the Universe?: A Conversation with Neil deGrasse Tyson (Episode #252)
Sam Harris
Associated with the SETI Institute and an analogy used to describe the limited scope of current exoplanet searches.