He was a graduate of Upsala College in New Jersey.
Mr. Henkel was a radio disc jockey for WINE Radio and WWCO Radio in the 1960s and '70s.
He was a professional guitarist, bassist and vocalist, performing in such venues as the Grand Ole Opry and arranging for headlining entertainers to appear in New Milford at the Bank Street Theatre, where he was also the musical director and accompanist.
Mr. Henkel was a black belt Judo instructor, teaching self-defense courses to a number of local police departments and was a New Milford Police Constable.
In 1959, he opened Canine Country Club dog kennel in New Milford and founded Von Wilhendorf, breeding world class German shepherd dogs. Mr. Henkel was a licensed professional AKC handler.
In addition to his wife, Mr. Henkel is survived by a son, John E. Henkel and his wife Kathleen of New Milford; a daughter, Karen Henkel and her husband Dr. Bruce Campbell of New Milford; three step-daughters, Erin, Caitlin and Devin Costa of New Milford; three sisters, Ruth Baker of Succasunna, N.J., Elizabeth Henkel of Orange, N.J. and Marion Mayer of Huntsville, Ala.; five grandchildren, Shannon, Bridget and Rory Kennedy, Jessica Bouwman and Erika Henkel; and numerous nieces and nephews.
In addition to his family, he leaves a host of close friends and acquaintances, including Dick Cyr of Thomaston and David Arenz of Litchfield.
The Colonial Funeral Home of New Milford was in charge of arrangements.
Memorials may be made to the New Milford Hospital, 21 Elm St., New Milford, CT 06776.