Morris was a pioneer of modern dance, as well as an accomplished choreographer, artist and author. In 1910, aged just 19, she established her own system for dance training, called Margaret Morris Movement, and opened her first school in London. It is still taught worldwide today. (http://books0977.tumblr.com/post/136795080132/margaret-morris-at-the-opening-of-her-cromwell)
See also: http://curiator.com/art/kent-walmer/summer-school-students-of-miss-margaret-morris-rehearse-on-the-beach-2