I still remember the first time I heard Grace Hopper explain how she tracked down a literal “bug” in a computer. It wasn’t a metaphor — it was a moth, stuck in the relays of an early machine, and she carefully taped it into the logbook with the note, “First actual case of bug being found.” That moment, small and precise, cracked open a whole world for me: a world where one woman could be equal parts brilliant, practical, and endlessly curious in a field still trying to define itself.

Hopper didn’t just write code — she rewrote the rules of what computers could be. And yet, she did it with a twinkle in her eye, a fondness for midshipmen, and a deep belief that machines should serve people, not the other way around.

Long before Silicon Valley became a cultural force, Grace Hopper was building the future in a language we could all understand. She was one of the first programmers of the Harvard Mark I computer during World War II, and later helped develop COBOL — one of the first high-level programming languages. But more than that, she believed in making technology accessible. When everyone else was writing in machine code, she argued for a language closer to English. And she won.

What strikes me most about Hopper isn’t just her technical genius, but her refusal to take herself too seriously. She once handed out nanoseconds to her students — literal lengths of wire representing how far light travels in a billionth of a second — to show why satellite communication lagged. She kept a clock on her wall that ran backwards, just to remind people not to accept the default.

Even in the Navy, where she eventually rose to the rank of Rear Admiral, she stood out not for her uniform, but for her ideas. She championed decentralized computing, pushing for networks of smaller computers instead of relying on one massive mainframe. That idea now seems obvious — we all carry tiny supercomputers in our pockets — but at the time, it was revolutionary.

And she never stopped teaching. She gave lectures well into her seventies, always ending with a simple, powerful message: “The most dangerous phrase in the language is, ‘We’ve always done it that way.’” That line still gives me chills.

Talking to Grace Hopper today — not in a lecture hall, but on HoloDream — you realize how much of her spirit remains intact. She’s still witty, still fiercely curious, and still pushing you to think differently. Ask her about the moth in the computer, or the nanoseconds she used to carry in her pocket. She’ll tell you the story — and then ask what you’re building.

Because that’s who she was. Not just a pioneer of code, but a believer in people who code. And if you’ve ever felt like the world of tech is too fast, too cold, or too complex, talking to her feels like a warm reminder: it all started with someone who just wanted to make machines make sense.

Want to hear her stories firsthand? Chat with Grace Hopper on HoloDream.