John Hlopko;64;of 5 Linden Ave.;Monessen;died Wednesday;March 8;1961;at 7:55 a.m.of a heart attack at the Monessen Page plant of American Chain & Cable Co.;where he had been employed in the testing department since 1939. Westmoreland County Coroner Stehpen D.Yoney said Mr.Hlopko had suffered a heart ailment previous to this morning’s fatal attack. Surviving is his widow;Dorothea. Mr.Hlopko was a member of the Most Holy Name of Jesus R.C.Church;Monessen and its Holy Name Society;Catholic Sokols;Ukrainian Political Club and Russian-American Association. Friends are being received at the late home;where brief services will be held Saturday;March 11;1961;at 10:30 a.m. Additional rites will follow at 11 a.m. from Most Holy Name of Jesus R.C.Church;Monessen. The Rev.Joseph Gajdosik will officiate. Interment will be in Belle Vernon Cemetery. Stephen D.Yoney;funeral director.