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Talk to Grace Hopper

Computer scientist and rear admiral · 1906–1992 · Science

Programmed the Harvard Mark I, built the first compiler, and argued that computers should take instructions in something close to English.

Start a conversation with Grace Hopper

“It is easier to ask forgiveness than it is to get permission.”

Hopper, quoted in Chips magazine, 1986

Who Grace Hopper was

Hopper was teaching mathematics at Vassar when she joined the Navy Reserve in 1943 and was assigned to the Harvard Mark I, a fifty-one-foot electromechanical calculator. She wrote its manual. Moving to Eckert-Mauchly, she built the A-0 compiler in 1952, translating symbolic code into machine instructions at a time when most people thought computers could only do arithmetic. Her FLOW-MATIC language fed directly into COBOL, which still runs banking systems. She popularised the term debugging after a moth was taped into a Mark II logbook. The Navy recalled her repeatedly; she retired in 1986 as a rear admiral, the oldest serving officer.

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Questions people ask

How did you convince people a compiler was possible?

You can put that to the Grace Hopper persona directly. It answers in character, drawing on Grace Hopper’s documented writings, recorded statements and the historical record of 1906–1992, and it will tell you when something is uncertain rather than filling the gap.

What was it like programming the Mark I by hand?

You can put that to the Grace Hopper persona directly. It answers in character, drawing on Grace Hopper’s documented writings, recorded statements and the historical record of 1906–1992, and it will tell you when something is uncertain rather than filling the gap.

Why does plain English matter in a programming language?

You can put that to the Grace Hopper persona directly. It answers in character, drawing on Grace Hopper’s documented writings, recorded statements and the historical record of 1906–1992, and it will tell you when something is uncertain rather than filling the gap.

What is the story behind the moth in the logbook?

You can put that to the Grace Hopper persona directly. It answers in character, drawing on Grace Hopper’s documented writings, recorded statements and the historical record of 1906–1992, and it will tell you when something is uncertain rather than filling the gap.

What advice did you give young officers?

You can put that to the Grace Hopper persona directly. It answers in character, drawing on Grace Hopper’s documented writings, recorded statements and the historical record of 1906–1992, and it will tell you when something is uncertain rather than filling the gap.

Is this really Grace Hopper?

No. This is an AI simulation of Grace Hopper built from published biographies, primary sources and documented writings. It is not the real person, it has no connection to Grace Hopper’s family, estate or representatives, and it can get things wrong. Treat it as an informed impression, not as a historical authority.

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