Oh, definitely. I don't mean to imply that, say, Warhol never got his hands dirty- but that Rembrandt's skill was in the realm of dirty hands and that Warhol's skill was in the realm of insight.

(I know in my research the act of sitting down and writing out an idea or sitting down and coding an algorithm or sitting down and going through the math has been indispensable, and strongly recommend it to anyone else.)