Conversation so far:
Why did Ludwig Wittgenstein's brothers commit suicide?
Psychiatrist Michael Fitzgerald argues that Karl was a harsh perfectionist who lacked empathy, and that Wittgenstein's mother was anxious and insecure, unable to stand up to her husband.
When did Ludwig Wittgenstein's brother Hans commit suicide?
Hans died in mysterious circumstances in May 1902, when he ran away to America and disappeared from a boat in Chesapeake Bay, most likely having committed suicide.
When did Ludwig Wittgenstein's other brother Rudi commit suicide?
Two years later in 1904, aged 22 and studying chemistry at the Berlin Academy, the third eldest brother, Rudi, committed suicide in a Berlin bar.
How did Ludwig Wittgenstein's family react to Rudi's suicide?
Wittgenstein's father forbade the family from ever mentioning Rudi's name again.
How did the Ludwig Wittgenstein's family's mother react to Rudi's suicide?
How did Ludwig deal with his brothers' deaths?
Later Wittgenstein wrote: I ought to have... become a star in the sky. Instead of which I have remained stuck on earth.“
What happened after their deaths?
After the deaths of Hans and Rudi, Karl relented, and allowed Paul and Ludwig to be sent to school
What happened after Kurt's death?
Wittgenstein was distraught to the point of being suicidal. He was sent back to the Italian front and he was captured by Allied forces on 3 November in Trentino.

Question: Did their deaths influence Wittgenstein's work?
Self-contained rewrite: Did their deaths influence Wittgenstein's work?