Well, gauge theory is very fundamental to our understanding of physical forces these days. But they are also dependent on a mathematical idea, which has been around for longer than gauge theory has. ↗
I cooked at the White House for Easter, last year, with Michelle Obama. But it more had to do with cooking from the organic garden, and her message. I took my daughter and granddaughter there, and they were really charming, it was great. ↗
Several of the actors I've had the good fortune of working with stand out in my mind as 'ultimate'. I guess the obvious would be Tom Hanks, because he really is as fun and as genuine as he comes across in his films and interviews. ↗