Profiles of six amazing women who defied prejudice to succeed in the sciences using genius, ambition, and perseverance! Laurie Lawlor deftly paints portraits of each of these pioneers who refused to take no for an answer, pursuing their passions through fieldwork, observations, laboratories and research vessels in the face of sexism.

Eleanor Margaret Burbidge -- Marie Tharp -- Florence Hawley Ellis -- Katherine Coleman Johnson -- Gertude Elion -- Eugenie Clark.