12/21/2025
She was the first woman to earn an electrical engineering degree from MIT. Then the first to patent a calculator. Then the first female engineering professor in America. She didn't break one ceiling—she shattered dozens.
Edith Clarke was born in 1883 on a farm in Howard County, Maryland, in an era when women weren't expected to pursue higher education, much less engineering. Mathematics was considered too complex for the female mind. Engineering was exclusively a man's profession.
Edith didn't care what was expected.
She graduated from Vassar College in 1908 with honors in mathematics and astronomy, elected to Phi Beta Kappa—the highest academic honor. While most of her female classmates married or became teachers in the limited roles society allowed, Edith did teach, but only as a stepping stone.
She taught mathematics at a private girls' school in San Francisco, then at Marshall College in West Virginia. Respectable work. Safe work. Exactly what a educated woman was supposed to do.
But Edith wanted more.
In 1911, at age 28, she did something extraordinary: she enrolled as a civil engineering student at the University of Wisconsin. Not as an observer or assistant—as a full student, the only woman in a program designed for men.
Then came the summer of 1912, and a job that changed everything.
AT&T hired Edith as a "Computing Assistant" in their engineering department. In 1912, "computer" didn't mean a machine—it meant a human being, usually a woman, who performed complex mathematical calculations by hand for engineers and scientists.
These women were the invisible workforce of early 20th-century technology, doing the mathematics that made innovation possible while receiving little credit or recognition.
But Edith wasn't content to just compute. She watched the engineers, learned the problems they were solving, understood the electrical systems they were designing. She saw that she could do more than calculate—she could engineer.
AT&T recognized her talent and promoted her to supervise other computers. But Edith wanted the title that matched her work: engineer.
In 1918, she enrolled at MIT to pursue a master's degree in electrical engineering.
In 1919, Edith Clarke became the first woman to receive a Master of Science degree in electrical engineering from MIT.
It should have been a triumphant beginning to her engineering career.
Instead, she couldn't find work.
Companies weren't hiring female engineers. They didn't believe women could do the work. They worried about how male employees would react. They had a thousand excuses that all meant the same thing: you're a woman, and we don't want you.
So Edith went to Turkey.
In 1921, she accepted a position as a physics professor at Constantinople Women's College (now part of Istanbul University). If American companies wouldn't hire her as an engineer, she'd teach abroad.
But in 1922, General Electric in Schenectady, New York, made her an offer: a position as a salaried electrical engineer.
Edith became the first professional female electrical engineer at GE—and one of the first in the United States.
The work she did there was revolutionary.
In 1921, Edith filed a patent for a "graphical calculator"—a device that could solve complex equations related to electrical power transmission lines. The patent was issued in 1925.
This wasn't a minor invention. Power transmission was one of the most complex problems in electrical engineering. Getting electricity from power plants to homes and factories over long distances required solving equations so complicated that most engineers used trial and error.
Edith's calculator made it fast, accurate, and practical. It revolutionized how engineers designed power grids.
In 1926, Edith did something else no woman had done: she presented a paper before the American Institute of Electrical Engineers (AIEE), addressing critical issues in power system stability.
She stood before a room full of men—the professional organization that represented the field she'd fought so hard to enter—and presented groundbreaking research.
For the next two decades, Edith continued working at GE, authoring numerous technical papers, publishing textbooks that simplified complex concepts in power distribution, and earning additional patents.
She became one of the world's leading experts on power transmission systems—the infrastructure that literally powered modern civilization.
But recognition was slow.
Despite her groundbreaking work, despite her patents and publications, despite training generations of engineers at GE, Edith faced constant barriers because of her gender.
Then, in 1947, after 26 years at GE, Edith Clarke did something extraordinary one more time.
At age 64—an age when most people are retiring—she joined the University of Texas at Austin as a professor of electrical engineering.
She became the first female professor of electrical engineering in the United States.
For nine years, she taught, mentored, and inspired students. She proved that women belonged not just in engineering, but teaching it, leading it, shaping its future.
She retired in 1956 at age 73.
Finally, the recognition came.
In 1948, Edith Clarke became the first woman elected Fellow of the American Institute of Electrical Engineers—the highest honor the profession could bestow.
In 1954, she received the Achievement Award from the Society of Women Engineers—recognition from the women who followed the path she'd cleared.
Edith Clarke died on October 29, 1959, at age 76.
By then, she had accumulated a list of "firsts" that seemed impossible for one person:
First woman to earn a Master's degree in electrical engineering from MIT
First woman to patent a graphical calculator
First professional female electrical engineer at General Electric
First woman to present a paper before the AIEE
First woman elected Fellow of AIEE
First female professor of electrical engineering in the United States
But her legacy isn't just the firsts. It's the work itself.
Her graphical calculator and methods for analyzing power systems are foundational to modern electrical grids. The textbooks she wrote educated generations of engineers. The standards she helped establish still govern power transmission.
Every time you turn on a light, charge your phone, power your computer—you're benefiting from systems designed using principles Edith Clarke helped develop.
More importantly, she proved it could be done.
Every woman who became an engineer after Edith Clarke walked a path she had cleared. Every female professor, every woman in a technical field, every girl who grows up believing she can be an engineer—they stand on foundations Edith built.
She didn't just break one glass ceiling. She shattered them systematically, one after another, for four decades.
She was told women couldn't handle advanced mathematics. She graduated Phi Beta Kappa.
She was told women couldn't be engineers. She earned the first MIT electrical engineering master's degree awarded to a woman.
She was told companies wouldn't hire female engineers. She became GE's first.
She was told women couldn't lead in the field. She became the first female AIEE Fellow and first female engineering professor in America.
At every barrier, Edith Clarke didn't argue or complain.
She just proved them wrong.
And then she moved on to the next ceiling and shattered that one too.
Edith Clarke was born on a farm in 1883 when women couldn't vote and weren't expected to pursue careers.
She died in 1959 having fundamentally changed electrical engineering and opened doors for every woman who came after.
That's not just a career. That's a revolution.