The son of singer-pianist Georgine and violist Karl Doktor, at the age of five, Paul began violin studies with his father, and received his diploma from the State Academy of Music in 1938.
From then on, Paul Doktor stuck to the instrument fate had chosen for him, and became the first violist ever to have been awarded unanimously the First Prize at the International Music Competition in Geneva.
They also joined forces in making four television films about the viola for the National Educational Network; these comprise rarely performed music by Marais, Telemann, Dittersdorf, Beethoven, Schubert, Schumann, Hummel, Berlioz, Brahms and Flackton.
Paul was often joined by Yaltah in demonstration lectures and string seminars, which he gave at the Eastman School of Music and the University of Missouri.
He also taught at the Philadelphia Musical Academy and Farleigh Dickinson University and was a guest professor at the Conservatoire de musique du Québec à Montréal.