Dr. David Grinspoon

Dr. David Grinspoon is an American astrobiologist, author, and Senior Scientist at the Planetary Science Institute. He is a leading expert in the field of astrobiology and has written extensively on the topic of extraterrestrial life. Grinspoon has also served as a science advisor to the SETI Institute and has been a vocal advocate for the search for extraterrestrial intelligence. He is a popular science communicator and has appeared on various media outlets, including NPR and PBS. Grinspoon is also a prolific author, having written several books on science and technology topics.