I received this communication from John's wife Doris:

This is Doris Dvorack, wife of John Dvorack (KD8BIN).  It is with great sadness I advise you of John's passing on Sunday, October 17th due to pancreatic and liver cancer.  Although he was not active recently, he took immense pride and enjoyment in being a Ham Radio Operator.  

Visitation is scheduled for 10:00 a.m., Friday, October 22 at Our Lady of Perpetual Help Church, 2255 Central Grove (corner of Anthony Wayne Trail & Sherwood), Toledo, OH.  Mass of Christian Burial to follow at 11:00 a.m.  Interment Riverside Cemetery, Maumee, OH.  

Donations in John's memory may be made to Our Lady of Perpetual Help Church.