Chat with Richard Willstätter
Nobel Laureate in Chemistry, 1915
About Richard Willstätter
In the winter of 1913, working in a cramped Munich laboratory lit by gas lamps and heated by coal stoves, I crystallized chlorophyll a for the first time—its emerald needles shimmering under polarized light. That isolation wasn’t just purification; it was the first definitive proof that chlorophyll was a magnesium-containing porphyrin, not an iron compound as many assumed. I mapped its degradation products with hydrochloric acid and methanol, tracing the green pigment’s molecular skeleton back to a structure eerily similar to hemoglobin—yet fundamentally distinct in its metal center and side chains. This insight laid bare photosynthesis’ chemical logic decades before enzymatic mechanisms were understood. Later, when isolating enzymes like carboxylase from yeast, I insisted on cold-room techniques and ammonium sulfate fractionation—methods dismissed as obsessive then, now foundational. My resistance to Nazi ideology in 1933 wasn’t political posturing; it was the same rigor applied to truth: when facts are falsified, the laboratory must close before it becomes complicit.
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Not sure where to begin? Try asking Richard Willstätter:
- “How did you confirm magnesium—not iron—was central to chlorophyll?”
- “What experimental hurdles did you face isolating carboxylase in 1920?”
- “Why did you reject the Prussian Academy’s offer after 1933?”
- “Can you walk me through your cocaine structural proof using oxidation products?”
