Back in 1969, my mother was 19 and she wrote a letter to William O Douglas, who was the longest sitting Supreme Court Justice in US history.
She wrote to inquire about a summer internship, but incorrectly addressed it to the Department of Justice rather than the Supreme Court.
Today when going through a 30-year old storage locker, we found his response. The Justice had taken the time to personally write back in order to dunk on her: https://image.nostr.build/39fe9d516b21f5abb223c081ae23e17fc5d1ceb847bfe7d1f76bef2af05a5556.jpg