10 Pioneering Female Engineers That Made History

10 Pioneering Female Engineers Who Made History

Engineering has transformed almost every part of modern life. Bridges, power systems, aircraft, computers, communications and manufacturing all depend on people finding practical solutions to difficult problems.

For much of engineering history, however, women faced significant barriers to entering the profession, studying engineering formally or receiving recognition for their work. Despite those obstacles, pioneering female engineers made important contributions across civil, electrical, mechanical, aerospace, chemical and computer engineering.

Their stories demonstrate that engineering is not simply about calculations and machines. It is about identifying problems, questioning existing approaches and designing something better.

Here are ten pioneering women whose work helped change engineering — and, in some cases, who changed who could become an engineer in the first place.

1. Emily Warren Roebling — Civil Engineering

When you look at the Brooklyn Bridge, one of the most recognisable structures in New York City, you are also looking at a remarkable chapter in the history of women in engineering.

Emily Warren Roebling became closely involved in the bridge's construction after her husband, Washington Roebling, developed decompression sickness and became unable to regularly visit the construction site.

Washington remained Chief Engineer, but Emily became an essential link between him and those working on the project. She developed knowledge of engineering principles, materials, cable construction and the technical work required to communicate his instructions and oversee progress.

Her contribution was particularly remarkable at a time when professional engineering was overwhelmingly dominated by men.

When the Brooklyn Bridge opened in 1883, Emily was reportedly the first person to cross it in a carriage.

Her story demonstrates that engineering history is sometimes more complicated than the name appearing beside the title "Chief Engineer".

2. Edith Clarke — Electrical Engineering

Edith Clarke was a pioneer of electrical engineering whose work helped engineers analyse increasingly complex electrical power systems.

After studying Mathematics and Astronomy at Vassar College, Clarke eventually attended the Massachusetts Institute of Technology, becoming the first woman to earn a master's degree in electrical engineering there in 1919.

At General Electric, she developed the Clarke calculator, a graphical device that simplified calculations involving electrical transmission lines. The invention could solve certain equations considerably faster than existing methods.

In 1922, Clarke became the first woman professionally employed as an electrical engineer in the United States, according to the National Inventors Hall of Fame. She later became the first female professor of electrical engineering in the country when she joined the University of Texas at Austin.

Clarke did not simply contribute to electrical engineering. She repeatedly crossed professional boundaries that had previously excluded women.

3. Lillian Moller Gilbreth — Industrial Engineering

How can a workplace be designed so that people can complete tasks more effectively?

That question was central to the work of Lillian Moller Gilbreth, a pioneering industrial engineer and psychologist.

Gilbreth studied how people performed tasks and how working environments could be improved. Her work combined engineering with an understanding of human behaviour, helping develop approaches to efficiency, ergonomics and workplace design.

Her influence extended beyond factories. She also applied similar principles to household design, considering how kitchens and appliances could be arranged to reduce unnecessary movement and make everyday tasks easier.

Gilbreth became the first woman elected to the US National Academy of Engineering and the first female recipient of the Hoover Medal.

Her work demonstrates an important principle of engineering: the best solution does not simply make a machine more efficient. It can make the relationship between people and technology work better too.

4. Kate Gleason — Mechanical Engineering and Manufacturing

Kate Gleason entered engineering and manufacturing at a time when very few women had opportunities in either field.

Born in 1865, she became involved in her family's machine-tool business and developed considerable expertise in manufacturing and engineering.

Gleason became particularly associated with the production and marketing of machinery used to manufacture gears. She travelled internationally on behalf of the family business and established herself in an industry overwhelmingly dominated by men.

In 1918, she became the first woman admitted as a full member of the American Society of Mechanical Engineers.

Her influence is still recognised today through the ASME Kate Gleason Award, which honours distinguished female leaders in engineering.

Gleason's career also shows that engineering and entrepreneurship can be closely connected. Technical knowledge becomes especially powerful when someone understands how to turn it into practical solutions.

5. Mary Jackson — Aerospace Engineering

Mary Jackson became NASA's first Black female engineer and helped break both racial and gender barriers within American engineering.

Jackson began working at the organisation that would become NASA in 1951. After initially working as a research mathematician, she moved into aeronautical research.

To qualify for engineering training, Jackson needed permission to attend classes held at a segregated school. She succeeded and subsequently became an engineer in 1958.

Her work included research into airflow and aircraft behaviour, and she co-authored around a dozen technical research papers during her career.

Later, Jackson moved away from engineering research to work on improving opportunities for women at NASA.

Her career therefore had two kinds of impact: contributing to aerospace research while also working to make it easier for others to progress through an organisation where opportunities had historically been unequal.

6. Hedy Lamarr — Inventor and Communications Technology Pioneer

Hedy Lamarr is best remembered by many people as a Hollywood actor, but she was also an inventor whose ideas contributed to the history of wireless communications.

During the Second World War, Lamarr worked with composer George Antheil on a system intended to make radio-controlled torpedoes more difficult to jam.

Their idea involved rapidly changing, or "hopping", between radio frequencies so that an enemy would have greater difficulty interfering with the signal.

The invention was patented in 1942.

Although the technology was not adopted by the US Navy during the war in the form Lamarr and Antheil proposed, frequency-hopping techniques subsequently became important within communications technology.

Lamarr's story is particularly interesting because she did not follow the conventional path of a professional engineer.

It raises a useful question: who gets to be considered an engineer or inventor?

Engineering ideas can emerge from people whose careers and backgrounds do not fit the expected pattern.

7. Yvonne Brill — Aerospace Engineering

Getting a spacecraft into orbit is one problem.

Controlling what happens once it gets there is another.

Yvonne Brill became an influential aerospace engineer whose work focused on propulsion systems used by satellites and spacecraft.

Born in Canada, Brill studied Mathematics and Chemistry before beginning a career in the emerging aerospace industry. At the time, opportunities for women in engineering were restricted, but she went on to work on rocket and satellite technologies.

She became particularly known for inventing the hydrazine resistojet, a propulsion system designed to improve spacecraft performance and efficiency.

Her work contributed to technologies used to keep satellites in the correct orbit and orientation.

Brill's career spanned a period when spaceflight developed from an experimental ambition into technology on which modern communications, navigation and scientific research increasingly depend.

8. Katherine Johnson — Mathematics and Aerospace

Katherine Johnson was a mathematician rather than an engineer by formal title, but her calculations were fundamental to some of the most important engineering achievements of the early US space programme.

Working first for NACA and later NASA, Johnson calculated flight trajectories for crewed space missions.

Her work contributed to Alan Shepard's 1961 spaceflight and John Glenn's orbital mission in 1962. Before Glenn's flight, he famously requested that Johnson personally check the computer-generated orbital calculations.

She later contributed to calculations associated with the Apollo programme.

Johnson's story illustrates the interdisciplinary nature of engineering.

Aerospace engineers cannot design successful missions without Mathematics, just as modern engineering increasingly depends on fields such as Computer Science, Physics, Chemistry and Biology.

Her work also took place within institutions where Black women faced substantial racial and gender discrimination, making her achievements particularly significant.

9. Margaret Hamilton — Software Engineering

When astronauts travelled to the Moon during the Apollo programme, software had to operate reliably in circumstances where failure could have catastrophic consequences.

Margaret Hamilton led the software engineering division at the MIT Instrumentation Laboratory that developed onboard flight software for NASA's Apollo missions.

Hamilton and her team had to create software capable of handling complex tasks with extremely limited computing power by modern standards.

During the Apollo 11 lunar landing, the onboard computer generated warning alarms as it became overloaded with tasks. The software's ability to prioritise critical processes helped the mission continue rather than simply failing under the additional load.

Hamilton also became closely associated with the term "software engineering", helping establish the idea that software development should be treated with the same seriousness and discipline as other engineering fields.

Today, when software controls everything from aircraft and medical equipment to financial systems and cars, that principle seems obvious.

At the time, it was far less so.

10. Frances Arnold — Chemical Engineering

Engineering history is still being written.

Frances Arnold is a chemical engineer whose research demonstrated how principles inspired by biological evolution could be used to create useful new enzymes.

Instead of attempting to design every molecular detail from scratch, Arnold pioneered directed evolution: introducing variation into biological molecules, testing the results and selecting versions with desirable properties.

The approach has applications across areas including pharmaceuticals, chemical manufacturing and more sustainable industrial processes.

In 2018, Arnold received half of the Nobel Prize in Chemistry for the directed evolution of enzymes.

Her achievements also include becoming the first woman to receive the Millennium Technology Prize and the first woman to receive the Charles Stark Draper Prize.

Arnold's career demonstrates how modern engineering increasingly crosses traditional subject boundaries. Biology, Chemistry and Engineering can combine to solve problems that none of those disciplines could address as effectively alone.

What Did These Female Engineers Have in Common?

The ten women on this list worked across very different periods and disciplines.

Some designed or contributed to physical infrastructure.

Others transformed electrical systems, aerospace technology, manufacturing, software or biological engineering.

Several also faced obstacles that had little to do with their ability.

Women were historically excluded from many engineering courses, professional societies and senior positions. Mary Jackson additionally encountered racial segregation, while other pioneers found that even obtaining the title of engineer could be difficult.

What connects their stories is not simply that they overcame barriers.

They solved problems.

That distinction matters.

Their place in engineering history comes ultimately from what they contributed: new calculations, processes, systems, technologies and ways of approaching difficult technical challenges.

Why Have Women Historically Been Underrepresented in Engineering?

For much of modern history, engineering developed as a predominantly male profession.

Women could face restrictions on entering universities, studying engineering subjects, joining professional organisations or being employed in engineering roles.

The experiences of Edith Clarke demonstrate this particularly clearly.

Despite becoming the first woman to earn a master's degree in electrical engineering from MIT in 1919, she initially struggled to find professional engineering employment. She later became the first woman professionally employed as an electrical engineer in the United States. (National Inventors Hall of Fame)

Professional institutions changed slowly too. The American Society of Mechanical Engineers was founded in 1880, but Kate Gleason did not become its first female full member until 1918. (ASME)

Opportunities have expanded considerably since then, although women remain underrepresented in parts of engineering today.

Understanding that history helps explain why the achievements of pioneering female engineers remain significant.

What Does an Engineer Actually Do?

Engineering is fundamentally about using scientific, mathematical and technical knowledge to solve practical problems.

But the problems vary enormously.

A civil engineer might consider how a bridge can safely carry thousands of vehicles.

An electrical engineer could investigate how energy moves through a power network.

A mechanical engineer might design a more efficient machine.

A software engineer could develop systems that must continue functioning reliably when something unexpected happens.

A chemical engineer might design processes for producing medicines or materials at scale.

An aerospace engineer could work on aircraft, satellites or spacecraft.

What connects these disciplines is the engineering process: identify a problem, understand the constraints, develop a solution, test it and improve it.

What Skills Do Engineers Need?

Mathematics and science are important foundations, but successful engineering requires more than technical knowledge.

Engineers also need creativity.

Real-world problems rarely arrive with a page of instructions explaining which equation to use. Engineers must decide what the problem actually is before working out how to solve it.

They need critical thinking to evaluate different solutions, communication skills to explain technical ideas and persistence when an initial design does not work.

Collaboration matters too.

Modern engineering projects can involve specialists from numerous disciplines working together. Designing an electric vehicle, for example, can require expertise in mechanical engineering, electronics, batteries, software, materials and manufacturing.

The stereotype of an engineer working alone on calculations therefore misses much of what engineering actually involves.

How Has Engineering Changed?

The engineering challenges facing today's students are different from those faced by Emily Roebling or Edith Clarke.

Artificial intelligence, renewable energy, robotics, biotechnology, sustainable materials, autonomous vehicles and space exploration are creating entirely new technical questions.

At the same time, some fundamental engineering challenges remain.

How can we produce and distribute energy efficiently?

How should cities respond to growing populations?

How can technology improve healthcare?

How can infrastructure become more resilient?

How can products be designed with less environmental impact?

The tools change, but the fundamental question remains remarkably consistent:

How can we make this work better?

Why Study Engineering?

Engineering can appeal to students who enjoy understanding how things work and then asking how they might work differently.

It combines theory with application.

A mathematical concept becomes a bridge calculation. Physics contributes to an aircraft design. Chemistry becomes a manufacturing process. Computer Science becomes a system capable of controlling a spacecraft.

For students who enjoy solving problems, building things, experimenting and applying academic ideas to real situations, Engineering can offer an enormous range of possibilities.

It also connects with many other subjects, including Mathematics, Physics, Chemistry, Computer Science, Biology, Architecture and Design.

Engineering and the Importance of Role Models

Stories about pioneering engineers matter partly because they expand our understanding of who has contributed to the profession.

For students, role models can make unfamiliar possibilities easier to imagine.

Edith Clarke entered electrical engineering when opportunities for women were extremely limited.

Mary Jackson became NASA's first Black female engineer.

Margaret Hamilton helped establish software development as an engineering discipline.

Frances Arnold developed an entirely new approach to engineering biological molecules.

None followed exactly the same path.

That may be the most useful lesson.

There is no single type of person who becomes an engineer, just as there is no single type of engineering problem worth solving.

Exploring Engineering at Summer School

An Engineering summer school can give students the opportunity to explore the subject beyond the normal school curriculum.

Rather than learning scientific and mathematical concepts independently, students can begin thinking about how knowledge from different disciplines can be combined to address practical problems.

That might involve analysing a design, considering competing solutions, investigating new technologies or working through an engineering challenge.

For students considering Engineering at university, a summer programme can also provide an opportunity to discover which areas interest them most.

Someone who arrives fascinated by mechanical engineering might discover an interest in robotics. Another student may become interested in the relationship between Engineering and Computer Science, sustainability or biotechnology.

Exploration can be valuable before specialising.

Studying Engineering at Atlas Summer Courses

At Atlas Summer Courses, students exploring Engineering are encouraged to approach problems actively rather than simply memorising information.

Small-group, discussion-based teaching gives students opportunities to ask questions, examine different approaches and explain the reasoning behind their solutions.

Depending on the course and age group, students can explore engineering concepts and their connections with Mathematics, Physics, technology and real-world problem-solving.

The aim is not simply to introduce students to what engineers already know.

It is to encourage the mindset behind engineering itself: identify the problem, question assumptions, test ideas and keep improving the solution.

The Women Who Helped Engineer the Future

Emily Roebling, Edith Clarke, Lillian Gilbreth, Kate Gleason, Mary Jackson, Hedy Lamarr, Yvonne Brill, Katherine Johnson, Margaret Hamilton and Frances Arnold did not all hold the same job title or work within the same branch of engineering.

That is precisely what makes their stories interesting.

Together, they demonstrate how broad engineering can be.

A bridge.

An electrical grid.

A factory.

A spacecraft.

A communications system.

A piece of software.

An engineered enzyme.

Each began with a problem somebody believed could be solved.

The next generation of engineers will face problems these pioneers could never have imagined. What they can inherit is the approach that made those earlier breakthroughs possible:

be curious enough to ask how something works — and ambitious enough to ask whether it could work better.