[4] She then worked as a dancer and choreographer in commercial theatre where, in 1947, she met the accountant, artist and musician, Rudolf Benesh, who noticed that she was having trouble: "During a break while I was painting Joan's portrait, I mused at her struggle to get down on paper her choreographic ideas for a ballet".

[6] These details arose from Joan's special interest in Bharatanatyam – the classical dance of South India.

[6] Their notation system was presented to the Royal Ballet, fully published in 1956 and exhibited at Expo 58 in Brussels.

[2] The Benesh Institute of Choreology was then created in 1962 with Joan as principal, Rudolf as director and Frederick Ashton as president.

[2] The Institute established a library of dance scores in London and a residential training college in Sussex.