Conversation so far:
Did Paavo Nurmi compete in the 1932 Olympics?
In a controversial case Nurmi was suspended before the 1932 Games by an IAAF council that questioned his amateur status.
Why was Paavo Nurmi suspended from competing at the 1932 Olympics?
Nurmi was suspended before the 1932 Games by an IAAF council that questioned his amateur status.
Did Paavo Nurmi ever get any injuries from running?
Nurmi's trip to the 1924 Summer Olympics was endangered by a knee injury in the spring of 1924.

Question: When did Nurmi retire?
Self-contained rewrite: When did Paavo Nurmi retire?