Steven J. Dick served as the NASA Chief Historian and Director of the NASA History Office from 2003 to 2009.  He was the 2014 Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology at the Library of Congress’s John W. Kluge Center. In 2013 he testified before the United States Congress on the subject of astrobiology.  From 2011 to 2012 he held the Charles A. Lindbergh Chair in Aerospace History at the National Air and Space Museum. For 25 years he worked as an astronomer and historian of science at the U. S. Naval Observatory in Washington, D.C.  He is the author or editor of 23 books, including Discovery and Classification in Astronomy: Controversy and Consensus (Cambridge, 2013), The Impact of Discovering Life Beyond Earth (Cambridge, 2015), Astrobiology, Discovery, and Societal Impact (Cambridge, 2018, winner of the PROSE Award from the Association of American Publishers), and Classifying the Cosmos: How We Can Make Sense of the Celestial Landscape (Springer, 2019). In 2006, Dick received the LeRoy E. Doggett Prize from the American Astronomical Society for a career that has significantly influenced the field of the history of astronomy. In 2009, minor planet 6544 Stevendick was named in his honor.