Conversation so far:
what did Luis Walter Alvarez do with aviation?
He learned to fly in 1933, later earning instrument and multi-engine ratings.
did he fly as his career?
two separate careers, one in science and one in aviation.
what were some of his careers that involved flying?
During World War II he led the development of multiple aviation-related technologies.

Question: what else interesting happened with him in aviation?
Self-contained rewrite: Other than developing multiple aviation-related technologies, what else interesting happened with Luis Walter Alvarez in aviation?