Conversation so far:
Why did Strindberg die?
He died on 14 May 1912 at the age of 63.
What did he die from?
pneumonia and he never recovered completely.
He also started to suffer from a stomach cancer.
What kind of funeral did he have?
He had given strict instructions concerning his funeral and how his body should be treated after death: only members of his immediate family were allowed to view his body.

Question: What kind of instructions did he give?
Self-contained rewrite: What kind of instructions did August Strindberg give concerning his funeral?