He found that joint surfaces could be changed by implants cemented to the bone. His design consisted of a stainless steel, one-piece femoral stem and head, and a polyethylene acetabular element, each of which have been fixed to the bone using PMMA bone cement. For over 20 years, the Charnley low-friction arthroplasty and its by-product designs were the most-used methods on the planet. During the First World War, Jones served as a Territorial Army surgeon. He observed that therapy of fractures each, at the entrance and in hospitals at residence, was insufficient, and his efforts led to the introduction of army orthopedic hospitals. He was appointed Inspector of Military Orthopedics,…