Theo Olof is a Dutch violinist born on May 5, 1924. He spent his early years in Germany, where he was born. One of his principal teachers was Oskar Back. He gave his first concert at age eleven with the Concertgebouw Orchestra in Amsterdam. For many years, Olof was concertmaster of the Hague Philharmonic (Residentie Orchestra). He was also concertmaster of the Royal Concertgebouw Orchestra from 1974 until 1985. Until 1982, Olof taught at the Royal Conservatory (The Hague).