Roger D. Launius 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.

Graceland University is a private university with campuses in Lamoni, Iowa, and Independence, Missouri. The university offers degree completion and master's degree programs. It also offers undergraduate and graduate programs online. The university was founded in 1895. Graceland was established by, and is affiliated with, the Community of Christ, formerly the Reorganized Church of Jesus Christ of Latter Day Saints.