The Corkman who conquered the world

It’s said you’re never a prophet in your own country, an expression relevant in Ireland when it comes to some of our main proponents of the arts and applied arts.
Until the last five to 10 years, who, here, had heard of Eileen Gray, a furniture designer of international repute, honoured in places like France? Or Mainie Jellet, our foremost artist in the Modernist genre?