Ann Prunella Stack OBE (28 July 1914 – 30 December 2010) was a British fitness pioneer and women's rights activist.
She was head of the Women's League of Health and Beauty which her mother Mary had founded in 1931. In 1953 she led a multiracial team to the coronation in London.
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Career
Her mother developed an exercise system that was brought to a mass market as the Women's League of Health & Beauty. Stack had participated in these exercises since a young child and became an instructor. She and her maternal aunt Norah Cruickshank headed the league from 1936 after the death of her mother. Stack undertook teaching, performing and public speaking while Cruickshank dealt with administration and public relations. She expanded the League in both the UK and British Empire as well as collaborating with the government's National Fitness Council (1937 - 1939) to promote physical fitness. One of the characteristics of the League was co-operation between participants in large-scale displays. In 1938 she visited Czechoslovakia to see Sokol gymnastics and also led League delegations to Hamburg in Germany and Helsinki Finland. The League contracted in scale during the Second World War and although Stack continued to teach and be involved with the organisation, others were prominent in the continuation of the League.
In 1945 she was elected as a Conservative councillor on Kensington Borough Council for Redcliff ward. She continued as a councillor for two years.
In 1950 she moved to South Africa with her second husband and opened multiracial exercise classes, bringing a multiracial team to the coronation of Queen Elizabeth II in 1953 against authority requirements. She returned to live in the UK in 1956 and continued working on women's fitness, remaining president through a name change to the Fitness League in 1999, and as more commercial fitness organisations came to the fore. The League staged a display in the Albert Hall in 2010 to celebrate its 80th anniversary.



