Conversation so far:
what did Luis Walter Alvarez do with aviation?
The radar system for which Alvarez is best known and which has played a major role in aviation, particularly in the post war Berlin airlift, was Ground Controlled Approach (GCA).
did Luis Walter Alvarez fly as his career?
While working on GCA Alvarez became the first civilian to fly a low approach with his view outside the cockpit obstructed. He also flew many military aircraft as co-pilot
what were some of Luis Walter Alvarez's careers that involved flying?
Over the next 50 years he accumulated over 1000 hours of flight time, most of it as pilot in command

Question: what else interesting happened with him in aviation?
Self-contained rewrite: what else interesting happened with Luis Walter Alvarez in aviation besides working on the GCA and accumulating over 1000 hours of flight time?