Norman Rockwell did advertising for Pan Am... I wonder if he arranged for some free flights in his contract? I would!

Around the World with Norman Rockwell displayed the artist's travel sketchbook and images that later led to a highly successful Pan American World Airways advertising campaign. The sketches were made throughout his tour abroad in 1956, a trip sponsored by Pan Am.

https://www.panam.org/events/526-norman-rockwell-s-pan-am-adventure