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Key thinkers across history — grouped by era, colour-coded by discipline. Click any card to explore ideas, quotations, and classroom contexts.

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Medieval — 500 to 1500
Christine de Pizan c. 1364-c. 1430 · Italy / France
Christine de Pizan was a medieval Italian-French writer. She is widely considered the first woman in Europe to make her living as a professional author. She was born in 1364 in Venice. Her father, Tommaso da Pizzano, was a doctor and astrologer. When she was four, the family moved to Paris because her father had been invited to serve as court astrologer to King Charles V of France. Christine grew up in the French royal court. Her father supported her education, which was unusual for a girl at the time. She read Latin, history, philosophy, and poetry. She had access to the king's library, one of the best in Europe. At fifteen she married Étienne du Castel, a court notary. By all accounts the marriage was happy. They had three children. In 1389, her husband died of the plague. Christine was 25. Her father had also died the year before. She suddenly had to support her three children, her widowed mother, and a niece. She had no inheritance and no easy way to earn money. Most widows in her position would have remarried or entered a convent. Christine chose neither. She decided to write for a living. She found patrons among the French royal dukes. She wrote poems, biographies, advice books, political works, and history. By her death around 1430, she had produced over forty works. Her best-known book, The Book of the City of Ladies (1405), is one of the earliest defences of women in European literature. She is buried in the convent of Poissy, where she spent her final years writing in support of Joan of Arc.
"Just the sight of this book made me wonder how it happened that so many different men have been so inclined to express in their writings such wicked insults about women."