Lilian Karina, born in Russia, studied ballet in Berlin in the 1920s. She fled from Germany to Hungary and later Sweden, where she opened a ballet studio and still lives in Stockholm. Marion Kant was raised in East Berlin and began dancing at the Comic Opera at the age of 14. She took her PhD at Humboldt University in Musicology and Dance History and has taught at the Free University of Berlin, Kings College London, Cambridge University and the University of Surrey and is now at the University of Pennsylvania. Jonathan Steinberg is Walter H. Annenberg Professor of Modern European History, University of Pennsylvania.