Ann Druyan is an American documentary producer and director specializing in the communication of science. She co-wrote the 1980 PBS documentary series Cosmos, hosted by Carl Sagan, whom she married in 1981. She is the creator, producer, and writer of the 2014 sequel, Cosmos: A Spacetime Odyssey and its sequel series, Cosmos: Possible Worlds, as well as the book of the same name. She directed episodes of both series.

Timothy Ferris is an American science writer and the best-selling author of twelve books, including The Science of Liberty (2010) and Coming of Age in the Milky Way (1988), for which he was awarded the American Institute of Physics Prize and was nominated for the Pulitzer Prize. He also wrote The Whole Shebang: A State-of-the-Universe(s) Report (1997), a popular science book on the study of the universe. Ferris has produced three PBS documentaries: The Creation of the Universe, Life Beyond Earth, and Seeing in the Dark.