Mae Carol Jemison (born October 17, 1956) is an American
engineer
Engineers, as practitioners of engineering, are professionals who Invention, invent, design, build, maintain and test machines, complex systems, structures, gadgets and materials. They aim to fulfill functional objectives and requirements while ...
,
physician
A physician, medical practitioner (British English), medical doctor, or simply doctor is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through the Medical education, study, Med ...
, and former
NASA
The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...
astronaut. She became the first
African-American
African Americans, also known as Black Americans and formerly also called Afro-Americans, are an American racial and ethnic group that consists of Americans who have total or partial ancestry from any of the Black racial groups of Africa. ...
woman to travel into space when she served as a
mission specialist
Mission specialist (MS) is a term for a specific position held by astronauts who are tasked with conducting a range of scientific, medical, or engineering experiments during a spaceflight mission. These specialists were usually assigned to a s ...
aboard the
Space Shuttle ''Endeavour'' in 1992. Jemison joined NASA's
astronaut corps in 1987 and was selected to serve for the
STS-47
STS-47 was NASA's 50th Space Shuttle mission of the Space Shuttle program, program, as well as the second mission of the Space Shuttle Endeavour, Space Shuttle ''Endeavour''. The mission mainly involved conducting experiments in life and mater ...
mission, during which the ''Endeavour'' orbited the Earth for nearly eight days on September 12–20, 1992.
Born in
Alabama
Alabama ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South, Deep Southern regions of the United States. It borders Tennessee to the north, Georgia (U.S. state), Georgia to the east, Florida and the Gu ...
and raised in
Chicago
Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
, Jemison graduated from
Stanford University
Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...
with degrees in
chemical engineering
Chemical engineering is an engineering field which deals with the study of the operation and design of chemical plants as well as methods of improving production. Chemical engineers develop economical commercial processes to convert raw materials ...
as well as
African and
African-American studies
Black studies or Africana studies (with nationally specific terms, such as African American studies and Black Canadian studies), is an interdisciplinary academic field that primarily focuses on the study of the history, culture, and politics of ...
. She then earned her medical degree from
Cornell University
Cornell University is a Private university, private Ivy League research university based in Ithaca, New York, United States. The university was co-founded by American philanthropist Ezra Cornell and historian and educator Andrew Dickson W ...
. Jemison was a doctor for the
Peace Corps
The Peace Corps is an Independent agency of the U.S. government, independent agency and program of the United States government that trains and deploys volunteers to communities in partner countries around the world. It was established in Marc ...
in
Liberia
Liberia, officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to Guinea–Liberia border, its north, Ivory Coast to Ivory Coast–Lib ...
and
Sierra Leone
Sierra Leone, officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered to the southeast by Liberia and by Guinea to the north. Sierra Leone's land area is . It has a tropical climate and envi ...
from 1983 until 1985 and worked as a
general practitioner
A general practitioner (GP) is a doctor who is a Consultant (medicine), consultant in general practice.
GPs have distinct expertise and experience in providing whole person medical care, whilst managing the complexity, uncertainty and risk ass ...
. In pursuit of becoming an astronaut, she applied to NASA.
Jemison left NASA in 1993 and founded a technology research company. She later formed a non-profit educational foundation and through the foundation is the principal of the
100 Year Starship project funded by
DARPA
The Defense Advanced Research Projects Agency (DARPA) is a research and development agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military. Originally known as the Adva ...
. Jemison also wrote several books for children and appeared on television several times, including in
a 1993 episode of ''
Star Trek: The Next Generation''. She holds several
honorary doctorate
An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or '' ad hon ...
s and has been inducted into the
National Women's Hall of Fame and the
International Space Hall of Fame.
Early life and education
Mae Carol Jemison was born in
Decatur, Alabama
Decatur () is the largest city and county seat of Morgan County, Alabama, Morgan County (with a portion also in Limestone County, Alabama, Limestone County) in the U.S. state of Alabama. Nicknamed "The River City," it is located in North Alabam ...
, on October 17, 1956,
the youngest of three children of Charlie Jemison and Dorothy Jemison (). Her father was a maintenance supervisor for a charity organization, and her mother worked most of her career as an elementary school teacher of English and math at the Ludwig van Beethoven Elementary School in
Chicago
Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
,
Illinois
Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...
.
The family first lived in
Woodlawn and later the
Morgan Park neighborhoods. Jemison knew from a young age that she wanted to study science and someday go into space.
The television show ''
Star Trek
''Star Trek'' is an American science fiction media franchise created by Gene Roddenberry, which began with the Star Trek: The Original Series, series of the same name and became a worldwide Popular culture, pop-culture Cultural influence of ...
'' and, in particular, African-American actress
Nichelle Nichols
Nichelle Nichols ( ; born Grace Dell Nichols; December 28, 1932 – July 30, 2022) was an American actress, singer and dancer whose portrayal of Uhura in ''Star Trek'' and its film sequels was groundbreaking for African American actresses on A ...
' portrayal of Lieutenant
Uhura
Nyota Uhura (), or simply Uhura, is a fictional character in the ''Star Trek'' franchise. In the Star Trek: The Original Series, original television series, the character was portrayed by Nichelle Nichols, who reprised the role for the first six L ...
further stoked her interest in space.
Jemison enjoyed studying nature and
human physiology
The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organs and then organ systems.
The external human body consists of a head, hair, neck, ...
, using her observations to learn more about science. Although her mother encouraged her curiosity
and both her parents were supportive of her interest in science, she did not always see the same support from her teachers.
When Jemison told a kindergarten teacher she wanted to be a scientist when she grew up, the teacher assumed she meant she wanted to be a nurse.
Seeing a lack of female astronauts during the
Apollo missions also frustrated Jemison. She later recalled, "everybody was thrilled about space, but I remember being irritated that there were no women astronauts."
Jemison began studying ballet at the age of 8 or 9 and entered high school at 12 years old, where she joined the cheerleading team and the Modern Dance Club.
Jemison had a great love for dance from a young age. She learned several styles of dance, including
African and
Japanese, as well as
ballet
Ballet () is a type of performance dance that originated during the Italian Renaissance in the fifteenth century and later developed into a concert dance form in France and Russia. It has since become a widespread and highly technical form of ...
,
jazz
Jazz is a music genre that originated in the African-American communities of New Orleans, Louisiana, in the late 19th and early 20th centuries. Its roots are in blues, ragtime, European harmony, African rhythmic rituals, spirituals, h ...
, and
modern dance
Modern dance is a broad genre of western concert dance, concert or theatrical dance which includes dance styles such as ballet, folk, ethnic, religious, and social dancing; and primarily arose out of Europe and the United States in the late 19th ...
. As a child, Jemison had aspirations of becoming a professional dancer. At the age of 14, she auditioned for the leading role of Maria in ''
West Side Story
''West Side Story'' is a Musical theatre, musical conceived by Jerome Robbins with music by Leonard Bernstein, lyrics by Stephen Sondheim, and a Book (musical theatre), book by Arthur Laurents.
Inspired by William Shakespeare's play ''Romeo an ...
''. She did not get the leading role but was selected as a background dancer.
After graduating from Chicago's
Morgan Park High School in 1973,
Jemison entered
Stanford University
Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...
at the age of 16.
Although she was young to be leaving home for college, Jemison later said it did not faze her because she was "naive and stubborn enough".
There were very few other African-American students in Jemison's classes and she continued to experience discrimination from her teachers. In an interview with ''
The Des Moines Register
''The Des Moines Register'' is the daily morning newspaper of Des Moines, Iowa, United States.
History Early period
The first newspaper in Des Moines was the ''Iowa Star''. In July 1849, Barlow Granger began the paper in an abandoned log cab ...
'' in 2008, Jemison said that it was difficult to go to Stanford at 16 but that her youthful arrogance may have helped her;
she asserted that some arrogance is necessary for women and minorities to be successful in a white male dominated society.
At Stanford, Jemison served as head of the
Black Students Union.
She also
choreographed
Choreography is the art of designing sequences of movements of physical bodies (or their depictions) in which motion or form or both are specified. ''Choreography'' may also refer to the design itself. A choreographer creates choreographies thr ...
a musical and dance production called ''Out of the Shadows''. During her senior year in college, she struggled with the choice between going to medical school or pursuing a career as a professional dancer after graduation;
she graduated from Stanford in 1977, receiving a
B.S. degree in
chemical engineering
Chemical engineering is an engineering field which deals with the study of the operation and design of chemical plants as well as methods of improving production. Chemical engineers develop economical commercial processes to convert raw materials ...
.
and
B.A. degree in
African and
African-American studies
Black studies or Africana studies (with nationally specific terms, such as African American studies and Black Canadian studies), is an interdisciplinary academic field that primarily focuses on the study of the history, culture, and politics of ...
.
While at Stanford, she also pursued studies related to her childhood interest in space and first considered applying to NASA.
Medical career
Jemison attended
Cornell Medical School and during her training, traveled to Cuba, to conduct a study funded by
American Medical Student Association and to Thailand, where she worked at a Cambodian
refugee camp
A refugee camp is a temporary Human settlement, settlement built to receive refugees and people in refugee-like situations. Refugee camps usually accommodate displaced people who have fled their home country, but camps are also made for in ...
.
She also worked for
Flying Doctors stationed in East Africa.
During her years at Cornell, Jemison continued to study dance by enrolling in classes at the
Alvin Ailey American Dance Theater.
After graduating with an
M.D. degree in 1981, she interned at
Los Angeles County-USC Medical Center in 1982, and worked as a general practitioner for
Ross–Loos Medical Group.
Jemison joined the staff of the
Peace Corps
The Peace Corps is an Independent agency of the U.S. government, independent agency and program of the United States government that trains and deploys volunteers to communities in partner countries around the world. It was established in Marc ...
in 1983 and served as a medical officer until 1985. She was responsible for the health of Peace Corps volunteers serving in
Liberia
Liberia, officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to Guinea–Liberia border, its north, Ivory Coast to Ivory Coast–Lib ...
and
Sierra Leone
Sierra Leone, officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered to the southeast by Liberia and by Guinea to the north. Sierra Leone's land area is . It has a tropical climate and envi ...
.
Jemison supervised the Peace Corps' pharmacy, laboratory, medical staff as well as providing medical care, writing self-care manuals, and developing and implementing guidelines for health and safety issues. She also worked with the
Centers for Disease Control
The Centers for Disease Control and Prevention (CDC) is the national public health agency of the United States. It is a United States federal agency under the Department of Health and Human Services (HHS), and is headquartered in Atlanta, ...
helping with research for various vaccines.
NASA career
Upon returning to the United States after serving in the Peace Corps, Jemison settled in
Los Angeles
Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
,
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
. In Los Angeles, she entered into private practice and took graduate-level engineering courses. Inspired by the flights of
Sally Ride
Sally Kristen Ride (May 26, 1951 – July 23, 2012) was an American astronaut and physicist. Born in Los Angeles, she joined NASA in 1978, and in 1983 became the first American woman and the third woman to fly in space, after cosmonauts V ...
and
Guion Bluford in 1983, Jemison applied to the astronaut program in October 1985.
After NASA postponed selection of new candidates after the
Space Shuttle ''Challenger'' disaster in 1986, Jemison reapplied in 1987. She was chosen out of roughly 2,000 applicants for 15 slots in
NASA Astronaut Group 12, the first selected after ''Challenger.
'' The
Associated Press
The Associated Press (AP) is an American not-for-profit organization, not-for-profit news agency headquartered in New York City.
Founded in 1846, it operates as a cooperative, unincorporated association, and produces news reports that are dist ...
covered her as the "first black woman astronaut" in 1987.
CBS featured Jemison as one of the country's "most eligible singles" on ''Best Catches'', a television special hosted by
Phylicia Rashad and
Robb Weller in 1989.
Jemison's work with NASA before her shuttle launch included launch support activities at the
Kennedy Space Center
The John F. Kennedy Space Center (KSC, originally known as the NASA Launch Operations Center), located on Merritt Island, Florida, is one of the NASA, National Aeronautics and Space Administration's (NASA) ten NASA facilities#List of field c ...
in Florida and verification of Shuttle computer software in the
Shuttle Avionics Integration Laboratory (SAIL).
On September 28, 1989, she was selected to join the
STS-47
STS-47 was NASA's 50th Space Shuttle mission of the Space Shuttle program, program, as well as the second mission of the Space Shuttle Endeavour, Space Shuttle ''Endeavour''. The mission mainly involved conducting experiments in life and mater ...
crew as
Mission Specialist
Mission specialist (MS) is a term for a specific position held by astronauts who are tasked with conducting a range of scientific, medical, or engineering experiments during a spaceflight mission. These specialists were usually assigned to a s ...
4 and was also designated Science Mission Specialist, a new astronaut role being tested by NASA to focus on scientific experiments.
STS-47
Jemison flew her only space mission from September 12 to 20, 1992, as one of the seven-member crew aboard Space Shuttle ''Endeavour'',
on mission STS-47, a cooperative mission between the United States and Japan, as well as the 50th shuttle mission. Jemison logged 190 hours, 30 minutes, 23 seconds in space and orbited the earth 127 times. The crew was split into two shifts with Jemison assigned to the Blue Shift. Throughout the eight-day mission, she began communications on her shift with the salute "Hailing frequencies open", a quote from ''Star Trek''. Jemison took a poster from the
Alvin Ailey American Dance Theater along with her on the flight.
She also took a West African statuette
and a photo of pioneering aviator
Bessie Coleman
Elizabeth Coleman (January 26, 1892April 30, 1926) was an early American civil aviation, civil aviator. She was the first African-American woman and first Native Americans in the United States, Native American to hold a Pilot certification in ...
, the first African American with an international
pilot license.
STS-47 carried the
Spacelab
Spacelab was a reusable laboratory developed by European Space Agency (ESA) and used on certain spaceflights flown by the Space Shuttle. The laboratory comprised multiple components, including a pressurized module, an unpressurized carrier, ...
Japan module, a cooperative mission between the United States and Japan that included 43 Japanese and United States life science and materials processing experiments.
Jemison and Japanese astronaut
Mamoru Mohri were trained to use the Autogenic Feedback Training Exercise (AFTE), a technique developed by
Patricia S. Cowings that uses
biofeedback
Biofeedback is the technique of gaining greater awareness of many physiology, physiological functions of one's own body by using Electronics, electronic or other instruments, and with a goal of being able to Manipulation (psychology), manipulate ...
and
autogenic training
Autogenic training is a relaxation technique first published by the German and Nazi psychiatrist Johannes Heinrich Schultz in 1932. The technique involves repetitions of a set of visualisations accompanied by vocal suggestions that induce a sta ...
to help patients monitor and control their physiology as a possible treatment for
motion sickness
Motion sickness occurs due to a difference between actual and expected motion. Symptoms commonly include nausea, vomiting, cold sweat, headache, dizziness, tiredness, loss of appetite, and increased salivation. Complications may rarely include ...
,
anxiety
Anxiety is an emotion characterised by an unpleasant state of inner wikt:turmoil, turmoil and includes feelings of dread over Anticipation, anticipated events. Anxiety is different from fear in that fear is defined as the emotional response ...
and
stress-related disorders.

Aboard the Spacelab Japan module, Jemison tested NASA's Fluid Therapy System, a set of procedures and equipment to produce
water for injection, developed by Sterimatics Corporation. She then used
IV bags and a mixing method, developed by
Baxter Healthcare
Baxter International Inc. is an American multinational healthcare company with headquarters in Deerfield, Illinois.
The company primarily focuses on products to treat chronic and acute medical conditions. The company had 2023 global net sa ...
, to use the water from the previous step to produce
saline solution in space. Jemison was also a co-investigator of two
bone cell research experiments.
Another experiment she participated in was to induce female frogs to ovulate, fertilize the eggs, and then see how
tadpole
A tadpole or polliwog (also spelled pollywog) is the Larva, larval stage in the biological life cycle of an amphibian. Most tadpoles are fully Aquatic animal, aquatic, though some species of amphibians have tadpoles that are terrestrial animal, ...
s developed in zero gravity.
Resignation from NASA
Jemison resigned from NASA in March 1993 to start a company.
NASA training manager and author
Homer Hickam, who had trained Jemison for her flight, later expressed some regret that she had departed.
Post-NASA career

Jemison served on the board of directors of the World Sickle Cell Foundation from 1990 to 1992.
In 1993, she founded The Jemison Group Inc., a consulting firm which considers the