Conversation so far:
How did Ingemar Johansson get started in boxing?
Ingemar Johansson's introduction to the top rank of the sport was inauspicious. At age nineteen he was disqualified at the Helsinki 1952 Summer Olympics in the heavyweight competition
Why was Ingemar Johansson disqualified?
At age nineteen, Ingemat Johansson was disqualified for passivity at the Helsinki 1952 Summer Olympics in the heavyweight competition in a fight against eventual Olympic gold medalist Ed Sanders.
Did Ingemar Johansson win anything at the 1952 Olympics or was he completely disqualified?
Ingemar Johansson maintained he was trying to tire his Sanders, not evade him. Nevertheless, his silver medal was withheld for poor performance and only presented to him in 1982.

Question: What did he do after the Olympics?
Self-contained rewrite: What did Ingemar Johansson do after the 1952 Olympics?