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
what else interesting happened with Luis Walter Alvarez in aviation besides working on the GCA and accumulating over 1000 hours of flight time?
Later in his career Alvarez served on multiple high level advisory committees related to civilian and military aviation, including a committee studying how the scientific community could help.

Question: what were his duties on that committee?
Self-contained rewrite: what were Luis Walter Alvarez's duties on that committee studying how the scientific conmunity could help relating to civilian and military aviation?