Klenke, Thomas R., age 83 of Kettering, passed away Thursday, December 6, 2018. Thomas was preceded in death by his parents, Louis and Laura; a brother, Don. He was a graduate of the University of Dayton and was a Professional Engineer in Dayton for 50 years. Thomas spent 20 years with BG Danis and later co-owned Pretzinger and Klenke Consulting Engineers. He is survived by his wife of 61 years, Nancy; a daughter and son-in-law, Joan (Joe) Henehan; five sons and daughters-in-law, Phil (Ines), Dan (Amy), Joe (Lori), Tom (Leslie), Tim (Laura); sixteen grandchildren and two great grandchildren. Mass of Christian Burial, 11:00 am Thursday, December 13 at St. Charles Borromeo Church. The family will receive friends Thursday from 9:30-11:00 am at the church. The burial will be private at Calvary Cemetery. In lieu of flowers, contributions may be made to Hospice of Dayton or Goodwill, envelopes will be available at the church. Arrangements by the Westbrock Funeral Home, Bigger Rd.