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Dr. Sally Ride, America's first female astronaut to enter space has died after a 17-month battle with pancreatic cancer.   Before her death, Sally Ride had dedicated herself to bringing science to kids. She authored five science books for children and became the president of her own company, motivating youngsters to pursue careers in science, technology, engineering and math.

Sally Ride (First American Woman in space) has died after a 17 month long fight against pancreatic cancer. She became a household name after her historic flight on Space Shuttle Challenger in

Date of Coverage: 11 March-14 Women Invent: 100 top women in science, technology, engineering and maths – Part 1

As Silicon Republic's Women Invent Tomorrow campaign launches for a second year, we publish Part 1 of our listing of some of the leading women in the areas of science, technology, engineering and maths.

The woman who has made the longest single spaceflight is NASA astronaut Sunita Williams, who lived and worked in orbit for 195 days while serving on the International Space Station's Expedition 15 mission in 2007.

Sunita Williams holds the record for the longest space flight by a women, number of spacewalks for a female, and most spacewalk time. Sunita Williams is the only women to be commander of the International Space Station and is a U.

Katherine Johnson - scientist, NASA. Designed the trajectory for the 1969 Apollo 11 flight.

Katherine Johnson: A Lifetime of STEM

Katherine Johnson (born iAfrican-American physicist, space scientist, and mathematician who contributed to America's aeronautics and space programs with the early application of digital electronic computers at NASA. Known for accuracy in computerize

Florence Nightingale 1858 - this is one of my favourite pictures of her. I love the serious, thoughtful expression.

Florence Nightingale, OM, RRC was a celebrated English social reformer and statistician, and the founder of modern nursing. She came to prominence while serving as a nurse during the Crimean War, where she tended to wounded soldiers.

Photo of Vice Admiral Antonia C. Novello, M.D., M.P.H., Dr.P.H. (USPHS); 14th Surgeon General of the United States. Credit: U.S. Department of Health and Human Services; Wikimedia Commons. Read more on the GenealogyBank blog: “Antonia Novello: First Woman, and Hispanic, Surgeon General.” http://blog.genealogybank.com/antonia-novello-first-woman-and-hispanic-surgeon-general.html

Antonia Coello Novello, M., (born August is a Puerto Rican physician and public health administrator. She was a vice admiral in the Public Health Service Commissioned Corps and served as fourteenth Surgeon General of the United States from 1990 to