Remembering Carl Sagan, a remarkable man
While I am no fan of wildlife programs, there are few people in the media more inspiring than 91-year-old David Attenborough.
Other great contemporary science communicators include Brian Cox, Lawrence Krause, Karl Kruszelnicki, and more recently in Australia, Adam Spencer and Alan Duffy.
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One thing all of these people have in common is a great debt to Carl Sagan, one of the first -- and possibly the greatest -- science communicator of them all.
More than any science communicator before or after him, Sagan promoted an evidence-based view of science and the importance of evidence as the basis of every decision.