A small handmade teddy bear that played a role in saving a family from the Holocaust will soon be displayed at the new Holocaust Museum Boston. The bear, named Sasha, belonged to Holocaust survivor Michael Gruenbaum and was sewn by his mother, Margaret, while their family was imprisoned in the Terezín concentration camp in 1944.Forced by the Nazis to make teddy bears for children of German soldiers, Margaret used the task to protect her family. She deliberately slowed her work, convincing guards to postpone deportation so she could continue sewing — a decision that ultimately helped save their lives.“They were set to be deported three times,” said museum co-founder Jody Kipnis. “She convinced them each time to keep them there so she could continue to make the bears.”After the camp’s liberation, the Gruenbaum family survived, and Sasha became a lasting symbol of courage and hope. Michael Gruenbaum kept the bear throughout his life, and following his passing, his sons chose to…..