How Nostradamus Invented His Prophecies

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In this episode of pplpod, we explore the life of Michel de Nostredame, better known as Nostradamus, the 16th-century French apothecary and astrologer whose mysterious writings made him one of history's most famous supposed prophets. Born in Provence in 1503 to a family with Jewish ancestry that had converted to Catholicism, Nostradamus lived through an era marked by religious persecution, recurring plague outbreaks, and widespread uncertainty. His early medical education was interrupted by disease, and his attempt to study at the University of Montpellier ended in expulsion after officials discovered his work as an apothecary. Personal tragedy followed when plague reportedly claimed his first wife and two children. He continued traveling through France, treating plague victims and promoting herbal remedies, including his famous rose-based lozenges, which offered no proven protection against the disease. Eventually settling in Salon-de-Provence, he remarried, raised a family, invested in local infrastructure, and began publishing enormously popular astrological almanacs.

The episode follows Nostradamus's transformation from a struggling medical practitioner into an internationally recognized figure whose reputation reached the French royal court. His 1555 publication Les Prophéties introduced hundreds of cryptic four-line poems, known as quatrains, that readers would spend centuries interpreting as predictions of future events. Rather than accepting these claims at face value, the discussion examines his use of historical writings, comparative astrology, deliberately obscure language, and material drawn from earlier prophetic traditions. It also explores the contradictions between his reputation and his actual methods, including documented errors in astrological calculations and his reluctance to describe himself as a prophet. The episode then examines how later generations reinterpreted his ambiguous verses after major historical events, a process known as postdiction. From misleading translations to the manipulation of Nostradamus's writings by Nazi and Allied propagandists during World War II, his legacy reveals how easily uncertainty, selective interpretation, and the human desire to find patterns can transform obscure poetry into seemingly convincing prophecy. His extraordinary reputation ultimately tells us as much about the people interpreting his words as it does about the man who wrote them.

In this episode we cover...

• Nostradamus's childhood in Provence, religious background, disrupted education, Montpellier expulsion, and early work as an apothecary
• The bubonic plague, the loss of his first family, herbal remedies, rose pills, remarriage, and his financial activities in Salon-de-Provence
• His popular almanacs, astrological consultations, Catherine de' Medici, and the publication of Les Prophéties in 1555
• Cryptic quatrains, comparative horoscopy, historical borrowing, the Mirabilis Liber, and the psychological mechanics of postdiction
• Misleading translations, Nazi and Allied propaganda during World War II, his death in 1566, and the enduring myth of Nostradamus as a prophet

Source credit: Research for this episode included transcript materials and supporting historical, Renaissance medical, astrological, literary, and biographical sources accessed October 31, 2026. Content is summarized and adapted for commentary and educational use.