Wilhelm Frick
Under the threat of criminal deportation home to Austria, Hitler formally renounced his Austrian citizenship on 7 April 1925, and did not acquire German citizenship until almost seven years later; therefore, he was unable to run for public office. Hitler gained German citizenship after being appointed a Free State of Brunswick government official by Dietrich Klagges, after an earlier attempt by Wilhelm Frick to convey citizenship as a Thuringian police official failed.