BIOGRAPHIES
Byman, Jeremy

Carl Sagan: In Contact with the Cosmos

(4) YA Great Scientists series. Because the media-savvy Sagan frequently appeared as a television commentator, some of his colleagues viewed him as a less-than-serious scientist. This biography examines both aspects of his career and touches on his education, marriages, and social activism. The chronology of events is not always clear in this volume, which is illustrated with black-and-white photos. A time line is included. Bib., ind.

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