Joan Ganz Cooney

    Joan Ganz Cooney on Carl Sagan's input on the creation of the science program, 3-2-1 Contact

    01:08

    Bill Monroe

    Bill Monroe on Carl Sagan's appearance on Meet the Press, and various other memorable guests

    02:57

    Bill Nye

    Bill Nye on learning astronomy from Professor Carl Sagan at Cornell and the influence Sagan had on his life

    04:03

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