History of Computing: Annie Easley, A Trailblazer in STEM and Green Technology

By Fay Capstick

Welcome back to the Parker Shaw blog, where we shine a spotlight on the extraordinary figures who have shaped the worlds of technology, engineering, and innovation as part of our History of Computing series.

This week, we're delving into the life and legacy of Annie Easley, a remarkable mathematician, computer scientist, and NASA trailblazer. Her journey from the segregated South to the forefront of space exploration and green technology is inspiring.

Let’s learn more!

Who Was Annie Easley? From the Segregated South to Aspiring Scientist

Annie Easley was born on April 23, 1933, in Birmingham, Alabama, a time and place rife with racial segregation and limited opportunities for African Americans. Despite these challenges, her mother instilled in her the belief that education was the key to unlocking a better future. Annie’s early academic journey took her to Xavier University in New Orleans, one of the few institutions in the South offering quality education to African Americans.

Initially, Easley pursued a career in pharmacy, but a move to Cleveland, Ohio, set her on a different path. It was there that she found an opportunity that would define her career: a position at the National Advisory Committee for Aeronautics (NACA), the predecessor to NASA.

Being a Human-Computer at NASA

In 1955, Annie Easley began her career at NACA as a "human computer," performing complex mathematical calculations by hand. Her work was crucial for the development of technologies such as the Centaur rocket, a precursor to the modern-day space shuttle.
Easley's mathematical prowess and proficiency in programming languages like FORTRAN quickly made her an indispensable asset to NASA. It is hard to imagine now how hard it must have been to perform such calculations by hand.

As technology advanced, Easley transitioned from manual calculations to computer programming. She became a leading expert in writing and testing code for numerous NASA projects. Among her significant contributions was her work on the Centaur upper-stage rocket, essential for launching satellites and space probes. This work laid the groundwork for many of NASA's iconic missions, including Voyager, Viking, and Cassini.

Annie’s Role in the Green Revolution: Pioneering Hybrid Vehicle Technology

Annie Easley made groundbreaking contributions to energy technology on Earth. She developed and implemented code that analysed alternative power technologies, which was pivotal in the development of batteries used in hybrid vehicles. Her work focused on optimizing battery life and efficiency, paving the way for the green technology we rely on today.

The algorithms and simulations Easley created were fundamental in designing energy storage systems that are now integral to hybrid and electric cars. This pioneering work has had a lasting impact on the automotive industry, advancing energy efficiency and sustainability. Her work may have even contributed to the car you drive today.

Overcoming Adversity and Championing Equality

Easley's career was marked by resilience and determination. As an African American woman in a predominantly white, male-dominated field, she faced significant challenges and discrimination. Despite these obstacles, she excelled and remained focused on her work. Easley also became an advocate for equal employment opportunities, participating in outreach programs to inspire future generations of women and minorities to pursue careers in STEM.

STEM is still a career area where women can and should play a bigger role, and it is a subject that we have shone the spotlight on before. While it is amazing advances that Easley made, it is sobering to think that there is still work to be done.

A Lasting Legacy

Annie Easley's legacy extends far beyond her technical contributions. She broke down barriers and paved the way for future scientists and engineers. Her dedication and perseverance still serve as an inspiration to many.

Easley retired from NASA in 1989, but her impact continues to be felt. She has been posthumously recognized for her contributions, including being featured in the "Hidden Figures" campaign, which celebrates the achievements of African American women in STEM. Her story is a testament to the power of determination, education, and the importance of diversity in innovation.

What Do We Think?

Annie Easley's life and career embody the spirit of innovation and resilience. Her contributions to NASA, the field of computer science, and the development of hybrid vehicle technology have left an enduring legacy.

As we continue to explore new frontiers in space and technology, her story serves as a powerful reminder of the importance of diversity and inclusion in driving progress and discovery, something we try to champion at Parker Shaw.

Annie Easley was not just a mathematician and computer scientist; she was a pioneer whose work continues to inspire and influence the world today.

Final thoughts

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