Carl Krepper
Pastor Carl Emil Ludwig Krepper (May 11, 1884 - June 21, 1972) was a German-American Lutheran minister who studied at Ebenezer Lutheran Seminary in Kropp, Schleswig-Holstein, Germany. Krepper first arrived in America in 1909 and later became a naturalized citizen. He severed as a pastor of congregations in Philadelphia and in New Jersey.
Carl Krepper was a co-founder of the German-American Business League, an organization formed to counter the Jewish boycott of German goods.
He was convicted as a conspirator in Operation Pastorius, a plan to sabotage American war industries. The conviction was based upon a supposed handkerchief found containing his address in invisible ink and the testimony of one of the arrested saboteurs.
