This website compiles information on 86 women physicists of the 20th century focusing on advancements prior to 1976, in subject areas such as astrophysics, atomic molecular and optical physics, condensed matter physics, cosmic rays, crystallography, public service, education, fluid dynamics, fluid dynamics and plasma physics, geophysics, material physics, mathematical physics, nuclear physics, particle and fields, physics of beams, and space physics. The website includes biographical summaries, as well as scanned and transcribed primary source materials authored by or about the featured physicists. Physicists include: Fay Ajzenberg-Selove, Betsy Ancker-Johnson, Hertha Marks Ayrton, Milla Baldo Ceolin, Marietta Blau, Katharine Burr Blodgett, Christiane Bonnelle, Jenny Rosenthal Bramley, Harriet Brooks, E. Margaret Burbidge, Jocelyn Bell Burnell, Nina Byers, Mary Lucy Cartwright, Yvette Cauchois, Yvonne Choquet-Bruhat, Patricia Elizabeth Cladis, Janine Connes, Esther Marly Conwell, Marie Sklodowska Curie, Cecile DeWitt-Morette, Louise Dolan, Nancy M. O'Fallon Dowdy, Mildred Spiewak Dresselhaus, Helen T. Edwards, Tatiana Ehrenfest-Afanaseva, Magda Galula Ericson, Sandra Moore Faber, Rosalind Franklin, Judy R. Franz, Phyllis S. Freier, Mary Katharine Gaillard, Fanny Cook Gates, Ellen Gleditsch, Gertrude Scharff Goldhaber, Sulamith Goldhaber, Gail Gulledge Hanson, Evans Hayward, Caroline Littlejohn Herzenberg, Dorothy Crowfoot Hodgkin, Shirley Ann Jackson, Bertha Swirles Jeffreys, Irene Joliot-Curie, Renata Kallosh, Berta Karlik, Bruria Kaufman, Marcia Anna Keith, Margaret Galland Kivelson, Noemie Benczer Koller, Doris Kuhlmann-Wilsdorf, Elizabeth Rebecca Laird, Henrietta Swan Leavitt, Juliet Lee-Franzini, Inge Lehmann, Kathleen Yardley Lonsdale, Margaret Eliza Maltby, Maria Goeppert Mayer, Helen Megaw, Lise Meitner, Kirstine Bjerrum Meyer, Luise Meyer-Schutzmeister, Marcia Neugebauer, Gertrude Fanny Neumark, Ida Tacke Noddack, Amalie Emmy Noether, Cecilia Helena Payne-Gaposchkin, Marguerite Catherine Perey, Melba Newell Phillips, Agnes Pockels, P. Ya. Polubarinova-Kochina, Edith Hinkley Quimby, Helen R. Quinn, Vera Cooper Rubin, Myriam P. Sarachik, Bice Sechi-Zorn, Johanna Levelt Sengers, Hertha Sponer, Isabelle Stone, Katharine Way, Sarah Frances Whiting, Chien Shiung Wu, Sau Lan Wu, Xide Xie, (Hsi-teh Hsieh), and Rosalyn Sussman Yalow.