They led while others followed. They stood up and spoke out when no one else would. They broke the mould in art, music and literature. Each of them fought, in their own way, for change. Encompassing artists, politicians, activists, reporters and heads of state from past and present, A History of the World in 21 Women celebrates the lives, struggles and achievements of women who have had a profound impact on the shaping of our world.    Jenni’s 21 are: Joan of Arc, Artemesia Gentileschi, Angela Merkel, Benazir Bhutto, Hillary Clinton, Coco Chanel, Empress Dowager Cixi, Catherine the Great, Clara Schumann, Hatshepsut, Wangari Maathai, Golda Meir, Frida Kahlo, Toni Morrison, Margaret Atwood, Isabella of Castile, Cathy Freeman, Anna Politokovskaya, Sirimavo Bandaranaike, Madonna and Marie Curie.