One of the great TV shows was Public TV’s Cosmos. Originally broadcast in the 1980’s, produced by scientist, astronomer and writer Carl Sagan, younger people know the successor shows, Cosmos—A Personal Voyage and Cosmos—A Spacetime Odyssey,   both created by Neil deGrasse Tyson, a Sagan devotee and astrophysicist, author and science communicator in his own right. Sagan is described in […]