Information:  - Leslie Stokes was an English playwright and BBC radio producer and director.  - Francis Martin Sewell Stokes (16 November 1902, London  2 November 1979, London) was an English novelist, biographer, playwright, screenwriter, broadcaster and prison visitor. He collaborated on a number of occasions with his brother, Leslie Stokes, an actor and later in life a BBC radio producer, with whom he shared a flat for many years overlooking the British Museum. It was here that Sewell Stokes did much of his writing in the Reading Room, used by so many distinguished writers over the years.  - Angela Isadora Duncan (May 26, 1877 or May 27, 1878  September 14, 1927) was an American dancer who performed to acclaim throughout Europe. Born in California, she lived in Western Europe and the Soviet Union from the age of 22 until her death at age 49 or 50, when her scarf became entangled in the wheels and axle of the car in which she was riding.  - Isadora (also known as The Loves of Isadora) is a 1968 biographical film which tells the story of celebrated American dancer Isadora Duncan. It stars Vanessa Redgrave, James Fox, and Jason Robards.  - The British Museum is dedicated to human history, art and culture, and is located in the Bloomsbury area of London. Its permanent collection, numbering some 8 million works, is among the largest and most comprehensive in existence and originates from all continents, illustrating and documenting the story of human culture from its beginnings to the present.  - Henry Kenneth Alfred "Ken" Russell (3 July 1927  27 November 2011) was an English film director, known for his pioneering work in television and film and for his flamboyant and controversial style. Critics have accused him of being obsessed with sexuality and the Roman Catholic Church. His films in the main were liberal adaptations of existing texts, or biographies, notably of composers of the Romantic era. Russell began directing for the BBC, where he made creative adaptations of composers' lives which were unusual for the time. He also directed many feature films independently and for studios.  - Vanessa Redgrave, (born 30 January 1937) is an English actress of stage, screen and television, as well as a political activist. She is a 2003 American Theatre Hall of Fame inductee, and received the 2010 BAFTA Fellowship.  - Jason Nelson Robards, Jr. (July 26, 1922  December 26, 2000) was an American stage, film, and television actor. He was a winner of the Tony Award, two Academy Awards and an Emmy Award. He was also a United States Navy combat veteran of World War II.  - The Soviet Union, officially the Union of Soviet Socialist Republics (USSR " ) was a socialist state in Eurasia that existed from 1922 to 1991. A union of multiple subnational republics, its government and economy were highly centralized. The Soviet Union was a one-party federation, governed by the Communist Party with Moscow as its capital.  - Isadora Duncan , the Biggest Dancer in the World is a BBC TV film based on the life of the American dancer Isadora Duncan first broadcast on 22 September 1966 . The film was written by Sewell Stokes and the director Ken Russell and starred Vivian Pickles and Peter Bowles . Sewell Stokes became friendly with the dancer towards the very end of her life when she was penniless and alone . In 1928 he wrote a memoir of his conversations with her , shortly after her death , entitled Isadora , an Intimate Portrait . Two years after the first broadcast of the TV film , Vanessa Redgrave played the role of Isadora Duncan in the big - screen biopic Isadora . Russell 's biographer Joseph Lanza believes that `` of all his television work , Isadora is his most accomplished '' . It explores his `` ongoing theme of art being a thing of both glory and vulgarity ''    Given the paragraphs above, decide what entity has the relation 'genre' with 'biographical film'.
isadora duncan