Woz sort of wandered in and out of the company after crashing his plane in San Jose. He blew a wad of cash on hosting free concerts and the like He did some work on the Mac and follow on projects, but his heart was never in it after the Apple II. He WAS the brains of the Apple I and Apple II, without him Apple would have never gone public, but Jobs got investors, buyers and the computer to market. Jobs wasn't even the brains behind the Mac, although he did motivate the original Mac team to do great things, but he created the hype and the market for it once it launched.
There are lots of books that go into Apple's history in great detail. If you'd like a complete list, PM me.