Margaret Elizabeth Cousins, née Gillespie, also known as Gretta Cousins was an Irish-Indian educationist, suffragist and Theosophist, who established All India Women's Conference in 1927. She was the wife of poet and literary critic James Cousins, with whom she moved to India in 1915. She is credited with composing the tune for the Indian National Anthem Jana Gana Mana in February 1919, during Rabindranath Tagore's visit to the Madanapalle College. Wikipedia