William C. Vollack, 79, North Peninsula Avenue, New Smyrna Beach, died Saturday, Dec. 21 . Mr. Vollack was a retired industrial engineer. Born in Passaic, N.J., he moved to Central Florida in 1986. He was a Marine veteran of World War II and was a member of Veterans of Foreign Wars. Survivors: wife, Olga; son, Jeffrey, New York City; daughter, Gail Miller, Garrison, N.Y.; sister, Beatrice Ford, Marco Island. Settle-Wilder Funeral Home, New Smyrna Beach.