https://techcrunch.com/2018/07/07/spider-man-dr-strange-co-creator-steve-ditko-has-died/

Toward the end of his life, it became somewhat common practice to post a picture of his door. It was an otherwise unremarkable thing, with a mail slot and a metal plate at the bottom. Up top, a large plate read simply, “S. Ditko.”

Most wouldn’t venture beyond that, respectful of not disturbing the legendary cartoonist who’d become something akin to a comic book version of J.D Salinger, or maybe Thomas Pynchon. Those who did invariably had entertaining stories of the great — if somewhat salty — man who co-created such legendary comics characters as Spider-Man and Dr. Strange.