THE WOMAN WHOSE PRECISION WAS EVERYTHING
KATHERINE JOHNSON
Johnson's orbital mechanics calculations were foundational to the early American space program. She calculated the trajectory for Alan Shepard's 1961 Freedom 7 mission, the first American in space; she computed the flight path for John Glenn's 1962 orbital mission, and Glenn himself refused to fly until Johnson personally verified the electronic computer's numbers. Her work on the Apollo 11 lunar trajectory helped put humans on the moon. These were not supporting calculations, they were the actual calculations.
Katherine worked at NASA's predecessor NACA in an era of formal segregation, assigned to a pool of Black women called "computers," working in separate facilities, eating in separate cafeterias. She asked to attend editorial briefings and was told no, she asked again, and again, until she was admitted, and became indispensable. Her presence in those rooms was not a courtesy, it was a demonstration that the barriers had never been about competence.
For generations of Black women and girls, Johnson's story, made more widely known by Margot Lee Shetterly's book and the 2016 film "Hidden Figures" reframed what NASA looked like, what mathematics looked like, and who belong in rooms where civilization-altering decisions are made.
When NASA finally awarded her the Presidential Medal of Freedom in 2015 and named a facility in her honour, it was acknowledging not just her achievement but a systemic wrong that has erased the intellectual labour of Black women from the official story of American triumph. That reckoning, however belated, matters. In a domain where being wrong meant death, at a time when her country insisted she was less; the rockets flew because of her, not metaphorically, but by physics backed by her calculations.
365 men who changed the world.
Kamikun John, Author 366 days of wisdom.
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