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,
Rina Tannenbaum as those of the American Chemical Society, Wiley and Elsevier . For her work she has received many awards and was involved in a variety of professional activities. For example, she was a co-organizer of Symposium Y at the Spring 2001 Materials Research Society Meeting, was a plenary speaker at the Third International Conference on Polymer Behavior (ICPB3) in 2008, and delivered the WISE 10th Anniversary Distinguished Lecture at the University of Southern California in the Fall 2009 . Rina Tannenbaum Rina (Irena) Tannenbaum (born December 13, 1953) is an Israeli/American materials scientist and chemical engineer and presently Professor in