He was the Fox producer who greenlit Star Wars (I think, in part, after seeing Ralph Mcquarrie's concepts). https://www.starwars.com/news/alan-ladd-jr

He was also the son of Alan Ladd, best known for the western Shane, which seems to have influenced some Mandalorian storylines, and of course was a key inspiration for Clint Eastwood's Pale Rider and of course, Logan.