Discover some of the lesser-known women who helped land humans on the Moon. #WomenInSpace #HiddenFigures

Katherine Johnson
Dorothy Vaughan
Mary Jackson
Margaret Brennecke
Judy Sullivan
JoAnn Morgan
Poppy Northcutt
Margaret Hamilton
Hazel Fellows

Katherine Johnson calculated the trajectory of Alan Shepard's mission to be the first American in space. Then John Glenn asked for her personally to check the calculations for his mission to orbit the Earth. #HiddenFigures

Dorothy Vaughan became the first African-American Manager at the National Advisory Committee for Aeronautics which later became @NASA. #HiddenFigures

Mary Jackson became @NASA's first black female engineer in 1958, she then took a demotion in 1979 to be able to impact the hiring and promotion of the next generation of women. #HiddenFigures

Margaret Brennecke was the first female welding engineer at @NASA_Marshall. She was in charge of making critical decisions on the materials used to build the Saturn V rocket. #HiddenFigures

Judy Sullivan was the first female engineer in @NASA's Space Flight Operations. She was head engineer of the biomedical system where she would monitor the astronauts' health whilst they were on a mission including on Apollo 11. #HiddenFigures

JoAnn Morgan was an instrument controller and the first woman permitted to be in the firing room for Apollo 11. She was in charge of the guidance computers as well as communications and television systems. Her last mission was the Spirit and Opportunity @NASAMars rovers.

Over in Mission Control, @poppy_northcutt was the only woman in the room for Apollo 8. She was a human-computer who worked on the trans-Earth injection phase. She was also instrumental in her work on Apollo 13 and helped bring the astronauts home safely. #HiddenFigures

Margaret Hamilton led the team developing the guidance and navigation system for the Apollo spacecraft. The software her team developed for Apollo 11 was later adapted for the Space Shuttle and Skylab missions. #HiddenFigures

Working in a team of seamstresses, Hazel Fellows helped make the Apollo astronaut spacesuits. They worked for the International Latex Corporation who were more well known for making bras. They put the 21 layer suit together by hand and by normal sewing machine. #HiddenFigures

Those were just some of the incredible women out of 400,000 people who helped put humans on the Moon. Who are your favourite #HiddenFigures?