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,
Judith Tannenbaum at the California Division of Juvenile Justice. She has also completed a feasibility study for arts programming in Minnesota state prisons; chaired panels and served as keynote speaker at conferences on prison, prison arts, and teaching arts; and taught in prisons in eight states. Tannenbaum currently serves as training coordinator for WritersCorps in San Francisco. Judith Tannenbaum Judith Tannenbaum (born February 13, 1947) is an American teaching artist and writer. Born in Chicago and raised in Los Angeles, she has worked in the field of community-based arts, sharing poetry in a wide variety of settings from primary school classrooms to