Greg Nedved has written trivia books about presidents before. He is a former professional linguist (Chinese Mandarin interpreter, translator, instructor) for the US Army and the Department of Defen...view moreGreg Nedved has written trivia books about presidents before. He is a former professional linguist (Chinese Mandarin interpreter, translator, instructor) for the US Army and the Department of Defense. He currently is a Department of Defense historian and is the vice president for the National Museum of Language in College Park, Maryland.view less