Her work started in London where in 1925 she opened her Bagot Stack Health School. By 1930 she had trained enough enthusiastic young teachers to help her launch her ‘Women’s League’ which enjoyed immediate and outstanding success - the growth was spectacular. Mary Bagot Stack was a total inspiration and her ‘health training’ classes combined exactly the right mixture of hard work and fun so that after only 7 years since its inception 166,000 women had joined the League.