Theodor Horschelt was the son of ballet master Friedrich Horschelt. Between tours she studied dancing with John D'Auban, ballet master at Drury Lane. She studied with Nicolai Legat, a Russian ballet master. Another was Arthur Mahoney, a ballet master from New York. Charles Askegard is a U.S. ballet dancer and ballet master at Pennsylvania Ballet. Diaghilev soon promoted Balanchine to ballet master of the company and encouraged his choreography. He was retained by the Royal Danish Ballet in Copenhagen as a guest ballet master. The celebrated ballet master Jules Perrot began staging ballet at Her Majesty's in 1830. Legendary ballet master Marius Petipa participated in the trials, as did Cecchetti and Legat. He became the company's ballet master and choreographer in 1938. The Ballet Master then staged the work completely from memory in St. Petersburg. Jean-Georges Noverre was a particularly influential ballet master from 1776 to 1781. From 1860 to 1868, he was ballet master of the Paris Opera Ballet. He remained the ballet master until 1820 and continued to work up to 1829. Nijinska's husband 'Sasha' Kochtovsky became ballet master at the State Opera Theater.