Why did this journal retract two 1940s papers by Max Planck?

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Max Planckscientific publishingcopyrightretractionquantum mechanics

Author: DR_MING

Date: 6/29/2026

Article Summary:
A scientific journal unexpectedly retracted two papers by Max Planck, a pioneer of quantum mechanics, due to a copyright violation, but historians suspect this was a misunderstanding of past publication practices.