Scope and Content The collection (2009) contains an abbreviated biography (from Chapter 3) of Alexander Thoenes, written by his son, Jürgen Thoenes. The abbreviated biography chronicles Thoenes' Akademische Fliegergruppe (Akaflieg) endeavors while at the Technical University of Munich. In the biography, the author incorporated comments on the sailplane contests made by Alexander Lippisch in three of his technical reports (1927-1929) and published in the Zeitschrift für Flugtechnik...