You might give more credit to the hundred or so people (all the equivalent of our PhD graduates today) who were doing the actual work for him.

Edison's contribution was to pay them enough so they could eat and live, and point them at a project.

And Edison's an even more interesting example to bring up in a Jobs discussion because of the whole history between himself and Tesla (and if nothing else tells you about the man's character, the elephant-electrocuting nonsense during the current wars would tell you all you needed to know).