Robert Matzen wrote the international bestseller Dutch Girl: Audrey Hepburn and World War II as well as Mission: Jimmy Stewart and the Fight for Europe, Fireball: Carole Lombard and the Mystery of Flight 3, and five other books. Matzen has earned a reputation for exhaustive research into his subjects while also emerging as one of the most entertaining authors in popular biography. A sought-after speaker, he has appeared on MSNBC’s Morning Joe, FOX News primetime, and I24 News as well as dozens of regional, national, and international radio and podcast segments.