He competed for Germany in the individual and team épée and team sabre ( coming in fourth ) events at the 1928 Summer Olympics in Amsterdam at the age of 42 . After the Nazis came to power , after Kristallnacht his family 's business was seized by the Nazis and Halberstadt was interred in Bergen-Belsen concentration camp by the Nazis because he was Jewish . He then fled Germany at the age of 56 with what he could carry , first to London , and then San Francisco in 1940 . Halberstadt then became 1940 US Sabre Champion , both in individual saber and team saber
Kristallnacht
Kristallnacht
Hans Halberstadt