1941 - 2022

LAKE CITY, FL – Dr. Harold Sidney “Sid” Klopfenstein, age 80, born to Harold and Lou Klopfenstein on September 16, 1941 in Toledo, OH, passed away at 8:15 pm, Wednesday, June 22, 2022 in Lake City, FL where he has resided since 2003.

Dr. Klopfenstein never married, preferring to dedicate his life to cardiology research working with the National Institute of Health and publishing his work worldwide through the New England Journal of Medicine. He graduated from the University of Miami (Florida) Medical School at 24 years old and later specialized in cardiology and cardiovascular physiology, before getting his PhD.

He volunteered for the US Air Force research facility in White Sands, New Mexico, preparing astronauts for space exploration and testing automobile airbags. He completed his active duty as Captain/Major, but continued working within the VA system for another 40 years. He continued his research in Milwaukee as well as Bowman Gray in Winston-Salem, NC, developing treatment for cardiac tamponade caused by heart trauma from auto accidents, etc.

Dr. Klopfenstein was a devote Christian and a firm believer in our Lord Jesus Christ. He helped many people throughout his life anonymously, wanting no credit or recognition. He spent time helping missionaries in Africa and he also contributed to many charitable organizations.

He was a world traveler and an accomplished writer. He was like a father and role model to his many nieces and nephews. He is survived by his brother, Chuck and sister, Lois in Lake City, FL and sister, Mary Lou Dillard, Claremore, OK.

Funeral service will be held at 10:30 a.m. on Friday, July 1, 2022 at Latty Apostolic Christian Church, Latty, OH with church clergymen officiating. Burial will be in Latty Apostolic Christian Church Cemetery with military rites accorded by the Paulding V.F.W. Post 587.

Visitation will be 2 p.m. – 8 p.m. on Thursday, June 30, 2022 at Latty Apostolic Christian Church Fellowship Hall. There will also be visitation on Friday, July 1, 2022 at 9:30 a.m. until time of services at the church.

Online condolences may be shared at www.denherderfh.com.