Roger D. Launius

Roger D. Launius (born May 15, 1954) is an American historian and author of Lithuanian descent, a former chief historian of NASA. He retired in 2016 as Associate Director for Collections and Curatorial Affairs for the Smithsonian National Air and Space Museum in Washington, D.C. Launius is a consulting historian in air and space history. He has written many books on space flight, and also published on the history of the Latter Day Saint movement. Provided by Wikipedia