Annie Easley
A trailblazing mathematician and computer programmer whose code helped power America's first rockets and hybrid car batteries.
1933–2011 (age 78)·American mathematician and rocket scientist·Birthday: April 23·The Silent Generation
Biography
Annie Easley began her career at NASA's precursor, the National Advisory Committee for Aeronautics, in 1955, when 'computer' was a job title held by people, not machines. One of the first African American women in the field, she started as a human computer, performing complex calculations by hand for engineers. With relentless adaptability, she evolved alongside the technology, mastering programming languages like FORTRAN to become a leading software developer. Her work was foundational to the Centaur rocket stage, a high-energy booster that became the workhorse for launching planetary probes and satellites. Later, she applied her analytical prowess to energy projects, studying battery technology that informed early hybrid vehicle systems. Throughout her 34-year career, Easley quietly broke barriers while solving some of the agency's most intricate problems, all while actively mentoring and advocating for greater diversity in STEM fields.
The Silent Generation
1928–1945
Born between the Depression and the end of WWII. Too young to fight, old enough to remember. They became the conformist middle managers of the 1950s — and the civil rights leaders who quietly dismantled Jim Crow.
Annie was born in 1933, placing them squarely in The Silent Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
#1 When Annie Was Born
The biggest hits of 1933
#1 Movie
King Kong
Best Picture
Cavalcade
Annie's Life & Times
The world at every milestone
1933Born
FDR's New Deal launches; Prohibition ends
Gas: $0.18/galPresident: Franklin D. Roosevelt"Stormy Weather" — Ethel WatersBest Picture: Cavalcade
1938Started school
Kristallnacht and the escalation toward WWII
Gas: $0.20/galHome: $2,850Min wage: $0.25/hrPresident: Franklin D. Roosevelt"Begin the Beguine" — Artie ShawBest Picture: You Can't Take It with You
1946Became a teenager
United Nations holds its first General Assembly
Gas: $0.21/galHome: $5,150Min wage: $0.40/hrPresident: Harry S. Truman"Prisoner of Love" — Perry ComoBest Picture: The Best Years of Our Lives
1949Could drive
NATO founded; Mao proclaims the People's Republic of China
Gas: $0.27/galHome: $7,450Min wage: $0.40/hrPresident: Harry S. Truman"Riders in the Sky" — Vaughn MonroeBest Picture: All the King's Men
1951Could vote
First color TV broadcast in the US
Gas: $0.27/galHome: $7,925Min wage: $0.75/hrPresident: Harry S. Truman"Too Young" — Nat King ColeBest Picture: An American in Paris
1954Turned 21
Brown v. Board of Education desegregates US schools
Gas: $0.29/galHome: $8,925Min wage: $0.75/hrPresident: Dwight D. Eisenhower"Little Things Mean a Lot" — Kitty KallenBest Picture: On the Waterfront
1963Turned 30
JFK assassinated in Dallas; Martin Luther King's 'I Have a Dream' speech
Gas: $0.31/galHome: $13,100Min wage: $1.25/hrPresident: Lyndon B. Johnson"Sugar Shack" — Jimmy Gilmer & The FireballsBest Picture: Tom Jones
1973Turned 40
US withdraws from Vietnam; Roe v. Wade decided
Gas: $0.39/galHome: $22,100Min wage: $1.60/hrPresident: Richard Nixon"Tie a Yellow Ribbon Round the Ole Oak Tree" — Tony Orlando & DawnBest Picture: The Sting
1983Turned 50
Internet adopts TCP/IP, creating the modern internet
Gas: $1.16/galHome: $57,700Min wage: $3.35/hrPresident: Ronald Reagan"Every Breath You Take" — The PoliceBest Picture: Terms of Endearment
1993Turned 60
European Union officially established
Gas: $1.11/galHome: $86,600Min wage: $4.25/hrPresident: Bill Clinton"I Will Always Love You" — Whitney HoustonBest Picture: Schindler's List
2003Turned 70
US invades Iraq; Human Genome Project completed
Gas: $1.59/galHome: $146,000Min wage: $5.15/hrPresident: George W. Bush"In Da Club" — 50 CentBest Picture: The Lord of the Rings: The Return of the King
2011Died at 78
Osama bin Laden killed; Arab Spring sweeps the Middle East
Gas: $3.53/galHome: $138,400Min wage: $7.25/hrPresident: Barack Obama"Rolling in the Deep" — AdeleBest Picture: The Artist
Key Achievements
- Developed and implemented computer code that analyzed alternative power technologies, including early studies for battery systems used in hybrid vehicles.
- Played a vital role as a programmer and analyst for the Centaur rocket project, a crucial upper stage that enabled countless NASA missions.
- Transitioned from a human computer doing manual calculations to a skilled programmer in the early days of the digital computer age at NASA.
Did You Know?
She initially applied for a job at NACA after reading a story about twin sisters who worked there.
Easley returned to school while working full-time at NASA to earn her degree in mathematics from Cleveland State University.
She was a leading advocate for equal employment opportunity within NASA, often counseling her colleagues on their rights.
In addition to her technical work, she volunteered as a tutor, encouraging young students in math and science.
“You have to work hard, but you also have to be prepared for the opportunities when they come.”
