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
Samuel A. Tannenbaum work of Sir Edward Maunde Thompson and his collaborators. Tannenbaum also was deeply involved on the question of the forgeries of John Payne Collier. He believed the entire account book of the Office of the Master of the Revels was a Collier forgery—a view that has found no other defenders, though several other scholars, such as Charlotte Stopes, argued that the Revels accounts book was a partial forgery. He was also convinced that Simon Forman's "Book of Plays" was a Collier forgery, a position that only a minority of commentators support. Samuel A. Tannenbaum Samuel Aaron Tannenbaum (1874–1948) was a