In 1942 the American consulate in Vienna informed him that he was eligible for a U.S. immigration visa. Although an escape from Austria would have enabled him to complete his book on logotherapy, he decided to let his visa lapse: he felt he should stay in Vienna for the sake of his aging parents. In September 1942, Frankl and his family were arrested and deported. Frankl spent the next three years at four different concentration camps—Theresienstadt, Auschwitz-Birkenau, Kaufering, and Türkheim, part of the Dachau complex.
