Henry David Thoreau. (2023, November 24). Wikiquote. Retrieved February 15, 2024 from https://en.wikiquote.org/w/index.php?title=Henry_David_Thoreau&oldid=3406335.
After World war II ended, Planck, his second wife, and their son were brought to a relative in Göttingen, where Planck died on October 4, 1947. He was buried in the old Stadtfriedhof (City Cemetery) in Göttingen.