Guest speakers: Rupert Sheldrake, Terence McKenna, Ralph Abraham "The Gaia Hypothesis of James Lovelock [and Lynn Margulis] puts forward a scientific view of the living Earth, which in one respect is modern, empherical, scientific, in another respect re-awakens an ancient archetype, which in fact is so clearly suggested by the very name of […]

Sagan's Tonight Show appearance with Johnny Carson — critiquing Star Wars' 'human chauvinism' and discussing SETI.

CBC Newsmagazine interview segment — Sagan argues that the processes that produced intelligent life on Earth could occur elsewhere in the universe.

Excerpt from the BBC science documentary on SETI — the earliest extant TV footage of Sagan, then a young astronomer at the Smithsonian Astrophysical Observatory and Harvard.

Sagan's hour-long keynote tribute lecture at the Worlds of Philip Morrison Symposium (Day 2), surveying the Copernican perspective and Morrison's contributions to physics and SETI.