Mae Jemison
Mae Jemison entered Stanford at sixteen with degrees in chemical engineering and African American studies. She then earned a medical degree from Cornell, served as a Peace Corps physician in West Africa, and applied to NASA. In 1992, she flew aboard the Space Shuttle Endeavour and became the first Black woman in space. Before launch, she made a deliberate choice: she carried a photograph of Bessie Coleman, the first Black woman to earn a pilot's license, into orbit with her.
Mae Carol Jemison was born in Decatur, Alabama, in 1956 and grew up on the South Side of Chicago. From early childhood she was interested in science, archaeology, and astronomy. She later said that as a young Black girl watching the space program, she never understood why there were no women who looked like her among the astronauts. She did not let that stop her.
She enrolled at Stanford University at sixteen on a National Achievement Scholarship. She completed two degrees in four years: chemical engineering and African American studies. Both were deliberate. She later said that the African American studies degree was as important to her as the engineering degree, because understanding the social and historical context of Black life in America was not separate from her scientific ambitions. It was part of them.
She went on to Cornell University Medical College, where she earned her M.D. in 1981. After completing her internship, she joined the Peace Corps and was assigned as a medical officer in Sierra Leone and Liberia. She was responsible for the health of Peace Corps volunteers and local American Embassy staff, managed medical supplies, and developed curricula for medical staff training.
When she returned to the United States, she applied to NASA. She was accepted in 1987 as one of fifteen candidates selected from more than 2,000 applications. After completing her training, she was assigned as a mission specialist on STS-47.
On September 12, 1992, the Space Shuttle Endeavour launched from Kennedy Space Center. Mae Jemison was aboard. She became the first Black woman to travel to space. During the eight-day mission, she conducted experiments in life sciences and materials research. She performed 43 experiments, including several related to bone cell research and motion sickness.
Before boarding, she carried two items of personal significance: a photograph of Bessie Coleman — the first Black woman to earn a pilot's license — and a flag from the Organization of African Unity. Both were deliberate tributes. One trailblazer honoring the shoulders she stood on.
She left NASA in 1993 and founded BioSentient Corporation, a medical technology company. She later launched the 100 Year Starship program, a DARPA-seeded initiative to make interstellar travel feasible within a century. She has been a professor, a television personality, and a public advocate for science education and diversity in STEM.
She has never stopped moving forward. That is consistent with her whole life.
Never be limited by other people's limited imaginations.Mae Jemison
She entered a field that had historically excluded Black women at every level. She had to be exceptional in multiple disciplines simultaneously — engineering, medicine, military science, and astronaut training — just to reach the starting line. The same barriers that make her story remarkable are the ones that should never have existed. She has spoken about facing skepticism throughout her career, and about the specific burden of being expected to represent an entire community while also just trying to do her job.
Representation is not symbolic. It is structural. When Mae Jemison went to space, she expanded the population of people who believed they were allowed to go to space. That is not sentiment. That is documented effect: research consistently shows that young people's aspirations are shaped by who they see doing things they want to do.
Her story also challenges a narrow definition of what a scientist looks like. She was a chemical engineer and an African American studies scholar. She was a physician and a Peace Corps volunteer. She was an astronaut who carried a photograph of Bessie Coleman into orbit. None of these things were in conflict. She held them all at once.
She also chose to leave NASA at the height of her recognition to pursue her own research and vision. That is significant. She was not content to be a symbol. She wanted to build things, study things, push the field forward. The 100 Year Starship project is one of the most ambitious long-range scientific initiatives in American history. That is the level she operates at.
She went first. That matters. That has always mattered.