With the thesis Farbentransformation und Farbenkontrast and defended his thesis in the autumn of that same year, while still a medical candidate
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With the thesis Farbentransformation und Farbenkontrast and defended his thesis in the autumn of that same year, while still a medical candidate
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.