According to Wikipedia,
Georg Gerson Iggers was an American historian of modern Europe, historiography, and European intellectual history. Iggers was born in Hamburg, Germany, in 1926. Being a German Jew he fled Germany with his family to the US in 1938, only few weeks before the Kristallnacht. Iggers belonged to the young émigrés from the Third Reich who later in life, as academic scholars in the United States, had a decisive impact on reviewing critically the history of Germany.
Georg Iggers is affiliated with the following schools: