The Rockefeller Foundation awarded Radó a fellowship to enable him to spend 1928 working in Germany; part of the year being spent with Carathéodory in Munich and part with Koebe and Lichtenstein in Leipzig.
Ang Rockefeller Foundation iginawad Radó ng isang samahan na paganahin ang kanya na gumastos ng 1,928 manggagawa sa Germany; bahagi ng taon na ginugol sa Carathéodory sa Munich at bahagi sa Koebe at Lichtenstein sa Leipzig.