> but I'm sure a lot of people became better C programmers as a result.
A lot of people also became professional [level] designers because of his works - Doom was innotivative, among the many things, in the fact that it was designed from the ground up for extension (modding).
Yup. I worked on a few doomed game projects in the late 90's. The quake tools were where a lot of people started learning. Unreal was a huge step as well, as the editor had a lot better ux.
I shifted out of doing level design work, but some of the people I worked with ended up on the Medal of Honor team.
A lot of people also became professional [level] designers because of his works - Doom was innotivative, among the many things, in the fact that it was designed from the ground up for extension (modding).