The Engines of Our Ingenuity 3090: Friedrich Richard Petri

from Engines of Our Ingenuity · host Margaret Culbertson

Episode: 3090 Friedrich Richard Petri. Today, drawing the frontier.

Episode metadata supplied by the publisher feed · Published Jan 28, 2026

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The Engines of Our Ingenuity 3090: Friedrich Richard Petri

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This episode was published on January 28, 2026.

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