Operation Tannenbaum a 1940 round-table conference between Italian foreign minister Galeazzo Ciano and German foreign minister Joachim von Ribbentrop, also attended by Hitler. Ciano proposed that in the event of Switzerland's dissolution, it should be divided along the central chain of the Western Alps, since Italy desired the areas to the south of this demarcation line as part of its own war-aims. This would have left Italy in control of Ticino, Valais, and Graubünden. 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
Rina Tannenbaum Rina Tannenbaum Rina (Irena) Tannenbaum (born December 13, 1953) is an Israeli/American materials scientist and chemical engineer and presently Professor in the Program of Chemical and Molecular Engineering in the Department of Materials Science and Engineering at the State University of New York at Stony Brook. She received her Ph.D. in chemical engineering from the Swiss Federal Institute of Technology in Zurich. She has performed research in numerous areas including potential applications of carbon nanotubes, self-assembly, block copolymers, cellulose nanocomposites and tissue engineering. She has authored more than 150 publications in these fields that were published in top-tier journals, such