Skip to content

Katherine Johnson

Katherine Johnson: The Woman Whose Math Skills Launched Rockets

In 1953, before NASA even existed, a 35-year old African American mother of three landed a history-making role that would send shockwaves rippling across gender and racial divides. Armed with a passion for mathematics and the determination of a true pioneer, Katherine Johnson aligned her trajectory with America‘s raging space race – and supplied the brainpower that launched the country into orbital glory. This is the story of her groundbreaking life at mission control, where her numbers lifted NASA to the moon and beyond.

High School at 14 to NASA Mathematician: Katherine Johnson‘s Early Gifts

Long before she was performing rapid trajectory calculations for NASA‘s most iconic missions, Katherine Johnson demonstrated an exceptional gift for mathematics. Born Creola Katherine Coleman in 1918 White Sulphur Springs, West Virginia, education was prized in her family. Johnson‘s mother, herself an educator determined to nurture her daughter‘s talents early.

By age 10, Johnson was performing complex math far beyond her years. At just 13 years old in 1931, she entered high school – graduating with honors just one year later as class valedictorian in 1932. At only age 18 in 1937, she flew through another educational milestone – earning dual bachelor‘s degrees summa cum laude in Mathematics and French from West Virginia State College.

Johnson briefly worked as a school teacher before starting a family and focusing her energy on raising her three daughters. But when the National Advisory Committee for Aeronautics began recruiting African American women with exceptional math skills in 1953, Johnson saw an exciting new trajectory aligning. The organization that would soon become NASA offered an uphill climb amid racism and barriers against both women and black employees. Yet filled with purpose and gifted with unique problem-solving skills, Katherine Johnson embraced the calling that would change history.

Statistics on Katherine Johnson‘s Early Education:

  • Graduated high school at only 14 years old
  • Earned college degrees in math and French by 18
  • 193 class valedictorian out of 4,079 students in her area that year
  • Less than 1% of U.S. high school graduates enrolled in college in 1930s
  • Just 4% of college graduates were African American women in 1940

Transitioning from Teacher to Pioneering NASA Engineer

When Katherine Johnson joined the female team of mathematicians called "computers" who performed complex calculations for National Advisory Committee for Aeronautics (NACA) in 1953, she initially focused on flight research analysis. But just two weeks into her new role, NACA executives discerned something exceptional in Johnson. They felt her advanced mathematics skills could further the organization‘s bold mission to launch Americans into space.

So NACA made the groundbreaking decision to bring Johnson onto the flight research team alongside male engineers and pilots – marking the first cracks in gender barriers within the fledgling organization.

Just a few years into her aeronautics career, a massive organizational shift shook up Johnson‘s trajectory further. In October 1958, President Eisenhower officially approved the National Aeronautics and Space Act – forming NASA out of NACA and other government agencies. This transition offered Johnson yet another history-making opportunity.

In her new role with NASA‘s Spacecraft Controls Branch, Katherine Johnson became one of the agency‘s first female aerospace technologists. This prestigious role required mastering orbital mechanics – using physics and math to chart a spacecraft‘s journey through space. Thanks to her exceptional capabilities, confidence using mechanical calculating machines, and trailblazing spirit, Johnson was ready to lift her new career into orbit.

FEATURE BOX: Comparing NASA‘s First Computers to Today‘s Devices

When Katherine Johnson joined NASA in 1953, she likely performed complex equations on mechanical desktop calculators like the Frieden or Curta. These era-appropriate machines could add, subtract, multiply, divide – but only one operation at a time.

By contrast, a standard smartphone today offers around 5-10 billion times more processing power. The Apollo Guidance Computer that put humans on the moon ran at just 0.043 MHz with 72KB of memory. But an iPhone 14 packs a 3.2 GHz processor and starts with 128GB of memory – easily over 100 million times faster and larger than Apollo-era NASA systems.

Without tools we now take for granted – computer chips, programming code,算法 – the mathematical brilliance of pioneers like Katherine Johnson lifted NASA to unprecedented heights through raw brainpower alone.

Launch Windows, Life-Saving Calculations: Katherine Johnson‘s Pivotal Roles at NASA

Soon after NASA‘s formation, Katherine Johnson put her elite mathematics skills into action – playing pivotal behind-the-scenes roles enabling some of America‘s most iconic space missions.

As shown in the popular film Hidden Figures, astronaut John Glenn personally asked Johnson to verify the orbital calculations before his landmark 1962 Earth orbit. The IBM 7090 mainframe computer had recently been installed at mission control – but Glenn still chose to double-check NASA‘s new system the old fashioned way..by trusting Johnston‘s manual number crunching.

Her calculations confirmed and Glenn successfully orbited the planet three times in his Friendship 7 capsule. Johnson‘s early confidence in NASA‘s emerging digital computers proved instrumental as well. This allowed NASA to perform increasingly complex manned missions using new timesaving electronic systems rather than relying solely on human computers.

After supporting Alan Shepard‘s 1961 suborbital flight, Johnson also helped set the trajectory for Neil Armstong‘s 1969 Moon landing. Her equations determined exactly when launch windows for lunar missions would open. She also plotted emergency exit routes for dangerous situations.

And when disaster did strike the Apollo 13 mission in 1970, it was Johnson‘s quick navigational thinking under pressure that oriented the damaged spacecraft back towards Earth. Her alternative route adjustments enabled splashdown just ahead of carbon dioxide poisoning – saving the crew‘s lives.

By the program‘s end in 1972, Katherine Johnson conducted orbital mission requirements for planning every single crewed NASA mission. Her handwritten equations, verified launch windows and approved trajectories had successfully seen dozens of astronauts into space and home again.

Key NASA Missions Supported by Katherine Johnson:

  • 1961: Alan Shepard Freedom 7 suborbital flight
  • 1962: John Glenn Earth orbit and reentry
  • 1969: Charting Apollo 11 moon landing trajectory
  • 1970: Saving Apollo 13 crew with alternate return path
  • 1975: Plotting trajectory for Apollo-Soyuz first joint U.S./Russia space mission
  • 1981: Developing backup navigation procedures for first Space Shuttle flight
  • 1986: Retires from NASA after 33 years and 24 successful crewed space missions

Equations that Empowered: Bringing More Representation into STEM

For all of NASA‘s technological feats, an inequity equation has shadowed the agency from its earliest days. As an African American woman mathematician coming of age in the 1930s-50s, Katherine Johnson overcame immense obstacles against both her race and gender. By shattering assumptions of who could excel in mathematics and spaceflight navigation, Johnson empowered opportunities for more women and minorities in science and technology.

In a segregated NASA campus with separate bathrooms and dining facilities for its handful of black employees, Johnson refused to be deterred – fighting to have her critical voice heard at pivotal meetings. While today over 11% of NASA‘s engineers are black compared to 1% in the 1960s, there remains progress toward diversifying the STEM field.

Alongside fellow pioneers Dorothy Vaughan, Mary Jackson and Dr. Christine Darden – plus hundreds more unknown black female mathematicians at NASA – Katherine Johnson represents both the ambitious vision and sobering realities of her time. These women manually calculated orbital mechanics and researched aeronautics among engineers who often ignored or doubted them. Their recent fame as "Hidden Figures" epitomizes past attitudes about those who did not conform to expectations in appearance or behavior.

Yet Johnson persevered through marginalization – continuing to expand opportunities for black mathematicians and female scientists who followed her vanguard footsteps. As NASA technology advances humans toward bolder frontiers, the groundbreaking achievements of Johnson and peers serve as a timeless reminder that innovative solutions often arise from unexpected places. Regardless of race, gender or external judgements, empowering diverse thinkers expands possibilities.

Numbers that Uplifted NASA: Katherine Johnson‘s Timeless Legacy

Katherine Johnson lived an exceptional 101 years – packed with intelligence and integrity that helped launch Americans into space through precision mathematics. Her reputation expanding in later years as her foundational contributions gained recognition through books and films, Johnson became the living embodiment of how NASA‘s first black female computers helped astronauts defy gravity.

During her prolific 33 year NASA career, Johnson co-authored 26 scientific papers and held leadership roles spanning tech disciplines. In 2015, she received America‘s highest civilian honor – the Presidential Medal of Freedom. The next year, she stood proudly onstage as the hit film Hidden Figures brought long-overdue attention to heressential Apollo-era work.

In 2021 at age 83, Johnson‘s oldest daughter Constance Adaire Johnson published a memoir, Reaching for the Moon, recounting her mother‘s extraordinary life and career ascending to the heavens while overcoming earthly obstacles. Though Johnson passed later that year at 101 years old, scholarships and NASA facilities now bearing her name aim to uplift future generations to reach for the stars.

Katherine Johnson‘s courage to defy odds matched only by the boldness of missions she powered speaks to her timeless legacy of vision and ingenuity. Though NASA technology has radically advanced since Johnson‘s slide rule heyday, the universal drive to explore the unknown persists thanks to her foundational imprint guiding the way. By charting ambitious trajectories across disciplines, Katherine Johnson‘s interstellar influence continues pushing boundaries – on Earth and far beyond the atmosphere‘s edge.