Richard G. Hewlett passed away on September 1, 2015, at the age of 92. Originally from Toledo, Ohio, he lived in the Washington area for 64 years. He served in the Army Air Force as an electronics-weather specialist in China during WWII. He then earned a Ph.D. in history the University of Chicago. He served as chief historian of the Atomic Energy Commission (AEC) and its successor agencies from 1957 to 1980, co-authoring a 3-volume Atomic Energy Commission history and a history of the Nuclear Navy that remain important resources today. As a federal historian he recognized the importance of organizing public historians to promote the effectiveness of their work, and was instrumental in the founding of the National Council on Public History. In the late 1970s he led the AHA’s Federal Resource group and the National Coordinating Council in efforts to improve the federal employment standards of the 171 historian series.