Mr. and Mrs. David Curtiss of Youngstown celebrated their 50th wedding anniversary with a dinner at the Western Door Restaurant in Seneca Niagara Casino in Niagara Falls. Mr. Curtiss and the former Sandra Ratowski were married July 2, 1966, in First Methodist Church in Massena. He is a retired president - North South and Latin America at AutoDesk. She is a retired nurse for Roswell Park Cancer Institute and the University of Rochester. They have one child and one grandchild.