Bettina Bien Greaves has died at age 100. She was an important figure at the Foundation for Economic Education and later a supporter and friend of and contributor to the Ludwig von Mises Institute. She attended Ludwig von Mises's seminars at New York University and became a valuable assistant to Mises for the rest of his life. She also made scholarly contributions of her own, including the important Mises Bibliography.
You can read an important an interview she did for the Austrian Economics Newsletter in 1998 by clicking here.