1926 - Photo: ACME. Champion Athletic Club of Europe Calls on President Coolidge. The all Jewish champion athletic club of Europe were presented to President Coolidge at the White House by the Austrian Ambassador: Edgar L.G. Prochnik. Left to Right: Dr. Albert Mazur, Director, Dr. Julius Krausz, Vice-President, Ambassador Edgar L. G. Prochnik, Abraham Tuvin and Dr. Ignace H. Koerner, President.