Sadler's Wells LondonAlston's latest programme is a touching testament to his half century in the rigorous pursuit of purity in movementFifty years ago Richard Alston was a fierce, skinny boy with an arty fall of black hair who believed that dances should be choreographed with the same compositional rigour and purity as abstract art or music. His first piece, Transit, was four minutes long and it took four months to …
