Prolific artist, born in Toledo, Ohio, America, who was based in Connecticut. Heindel was a commercial artist in the 1960s and 1970s, working through a New York agency, before moving into fine art and exhibiting. He began to paint dance and dancers in the late 1970s, and in 1984 was invited to work with the Royal Ballet in London. His painting of Sir Frederick Ashton, its artistic director, is in the National Portrait Gallery collection. During 1984–05, Heindel worked by invitation with many of the world’s leading dance and theatre companies, including the San Francisco Ballet, American Ballet Theatre and Les Ballets de Monte Carlo. Among British companies he depicted were the Birmingham Royal Ballet, Rambert Dance Company, London City Ballet, London Festival Ballet and Scottish Ballet, a work from the last series being held in the Glasgow Museums collection.