Richthofen in his red Albartros D.III with Jasta 11 on April 23, 1917. From left, standing: Karl Allmenroder, Hans Hintsch, Sebastian Festner, Karl Emil Schafer, Kurt Wolff, Georg Simon and Otto Brauneck; sitting: Karl W. Effers, Lothar von Richthofen and Constantin Krefft. (IWM