Margaret Hamilton

American computer scientist, systems engineer, and business owner; director of MIT Instrumentation Laboratory’s Software Engineering Division, a crucial role in developing onboard flight software for NASA’s Apollo program.

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Hetty Green

America’s wealthiest woman during the Gilded Age. Known as the “Queen of Wall Street,” she lent money at reasonable rates during financial crises and amassed a substantial fortune in a male-dominated financial world.

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Frances Hugle

American scientist, engineer, and inventor who significantly contributed to our understanding of semiconductors, integrated circuitry, and the unique electrical principles of small-scale materials.

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Amy Curtis

Superintendent of the Women’s Royal Naval Service in the Portsmouth command (1939–44), worked in the resettlement advice service of the British ministry of labour and national service (1945–8), and was chief administrative officer of the Women’s Land Army in its last years (1948–50).

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