He was involved in the investigation committee, but of course wasn't the only one there. IIRC Neil Armstrong was also on the committee. I figure that part of th

He was involved in the investigation committee, but of course wasn't the only one there. IIRC Neil Armstrong was also on the committee. I figure that part of the point of choosing them was to lend the committee credibility with the public. The public would probably trust that the findings were above board if they were supported by the first man on the Moon and one of the most prominent physicists of the time.