Leonard F.Neudorfer;28 Pennsylvania Blvd.;Monessen;died Wednesday;June 18;1986;in Mon Valley Hospital. He was 71. Mr.Neudorfer was born in Monessen on Jan.5;1915;a son of the late W.G.and Alice Kepple Neudorfer. He was employed at the Allenport plant of Wheeling-Pittsburgh Steel Corp.as an electrician before retiring in 1975. He was a 1934 graduate of Monessen High School. He was a member of First Presbyterian Church of Monessen;Donora Lodge 626 Free and Accepted Masons;Valley of Pittsburgh Consistory and Syria Temple of Pittsburgh. In addition to his parents;he was preceded in death by four brothers;Lester;Walter;Merle and Russell. Survivors include his wife;Kathryn Trusa Neudorfer;a daughter and son-in-law;Charles and A.Willa Engle of Tennessee;two grandsons;Bill and David Engle;a granddaughter-in-law;Fara;and several nieces and nephews. Private services will be held at the convenience of the family. Contributions are being accepted by the First Presbyterian Church of Monessen.