Each entry in this riveting book explores the many ways that these individuals had an extraordinary impact on life on our planet, coming from all four corners of the globe, all walks of life, and across many different disciplines. Includes Alan Turing, Asa Phlip Randolph, Clara Barton, Nikola Tesla, Sojourner Truth, Patrick Steptoe, Robert Edwards, Wangari Maathai, Henrietta Lacks, Harvey Milk, Stanislav Petrov, Irena Sendler, Barbara McClintock, Asa Phlip Randolph, Mary Anning, George Washington Carver, Lincoln Beachey, Omkar Nath Sharma, Harvey Milk, Michael Faraday, Mary Seacole, Rosalind Franklin, Svetlana Savitskaya, Percy Julian, Joe Mitty, Emily Davidson, Vera Deakin White, Emmy Noether, Arunachalam Muruganatham, Wangari Maathai, Beatrice Tinsley, Martti Ahtisarri, Abbe Pierre, and others.