Board Thread:Lore Discussion/@comment-5632187-20130119213241/@comment-16047389-20130905154634

There are no records that he did anything beneficial after the war. Everything we've seen suggests that he was completely consumed in his research, with his only interaction with the world being what his golems and channelers brought him. Just because he's considered the Grandfather of Sorcery didn't mean he taught anyone else how to use them. It just means that he is likely the source of Sorceries as we know them today.