A perfect topic for the month of Halloween, our speaker will cover gravestones and what can be learned about family members and the culture in which they lived from them, various types of headstones used over the years, and the proper way to prepare gravestone rubbings. Speaker: Roberta Halporn, M.A., Arts Education. Ms. Halporn is a Thanatologist an expert on death, dying and related social and psychological matters. She runs The Center for Thanatology in Brooklyn, New York.