Operation Tannenbaum Operation Tannenbaum Operation "Tannenbaum ("Fir Tree"), known earlier as Operation "Grün ("Green"), was a planned but cancelled invasion of Switzerland by Nazi Germany and Italy during World War II. For tactical reasons, Adolf Hitler made repeated assurances before the outbreak of the Second World War that Germany would respect Swiss neutrality in the event of a military conflict in Europe. In February 1937, he announced that "at all times, whatever happens, we will respect the inviolability and neutrality of Switzerland" to the Swiss federal councillor Edmund Schulthess, reiterating this promise shortly before the Nazi invasion of Poland. These were, however,
Albert Tannenbaum West Coast representative, Bugsy Siegel. Tannenbaum's slaying of Greenberg is generally regarded as the first-ever mob assassination in Southern California. However, in 1940, under pressure from Brooklyn authorities, Tannenbaum became a "stool pigeon" himself, testifying in Buchalter's trial about the involvement of Lepke and Charles Workman in the murder of Dutch Schultz, among others. In 1950, Tannenbaum testified in the murder trial of Jack Parisi. He lived in Atlanta. Albert Tannenbaum Albert Tannenbaum (January 17, 1906 – November 1976), nicknamed Allie or Tick-Tock, was a Jewish-American hitman for Murder, Inc., the enforcement arm of the National Crime Syndicate, during the