I can't think of anyone besides Anders Hejlsberg that has a better track record with programming language innovation. At least 3 different languages that have all been commercially successful.
It's tricky to compare. Anders is involved in a bunch of important stuff, but it's not as though it's all successes either. He's certainly important, but I don't know how to compare "track records" on "innovation" because that's so vague.
One of his projects at Microsoft was J++ which is basically own-brand Java. Doubtless that's great material for learning to design C# but nobody is going to claim J++ was a success.
One of his projects at Microsoft was J++ which is basically own-brand Java. Doubtless that's great material for learning to design C# but nobody is going to claim J++ was a success.