He says in his autobiography that he was in a plane crash. That was the reason for leaving apple. He suffered from memory loss, so probably that is the reason for his interest in psychology.
From wiki:
"Wozniak sustained severe face and head injuries, including losing a tooth, and also suffered for five weeks after the crash from anterograde amnesia, the inability to create new memories. He had no memory of the crash, and did not remember his name in the hospital or the things he did after he was released from the hospital."
Was that in Scotts Valley? Ive flown over that strip (as a passenger). the neighbors forced it to close, the strip is still there but there are big red Xs painted all over it. I expect its intended for use in emergencies.
I understand he didnt set the trim, which adjusts the balance of the plane for the distribution of passenger weight.
I used to love flying into Scotts Valley back in the '70s and '80s. It had a great picnic spot next to the field, and a scary approach when the landing direction was toward the southeast: The base leg (last turn before final approach) took you right toward a big tree-covered hill and you had to scoot around it a bit to avoid the trees.
Most of the runway is long gone, with houses at the north end and a park in the middle. There is a bit of the old strip left at the south end - but it would have to be a real emergency to even consider trying to land on it.
You can see the old airport in Google Earth if you use View/Historical Imagery and go all the way back to 10/1991. The south end of the runway is near Mt Hermon Road and Kings Village Road in Scotts Valley.
From wiki:
"Wozniak sustained severe face and head injuries, including losing a tooth, and also suffered for five weeks after the crash from anterograde amnesia, the inability to create new memories. He had no memory of the crash, and did not remember his name in the hospital or the things he did after he was released from the hospital."