Ralph H. Guldin, 90, of Allentown, died Friday, January 11, 2013 in St. Luke's Hospital, Allentown. He was taken there from Cedarbrook Nursing Home where he resided. Born in Kutztown, he was the son of the late Homer F. and Edna V. (Leibensperger) Guldin. He worked in maintenance for Lincoln Technical Institute for 18 years. He previously worked for the Philadelphia Bulletin, Allentown. Ralph is survived by five cousins. Graveside services will be private in Maxatawny Zion Cemetery. Leibensperger Funeral Homes, Inc., Hamburg is in charge of arrangements.