Steve Jobs was a genius who changed the world with Apple products, but many people also say he was a difficult and sometimes cruel person. Over the years, we've heard stories about how rude, mean, and selfish he could be to his employees, friends, and even his family. But his daughter Lisa Brennan-Jobs’ new book, Small Fry, reveals even more disturbing details that show a darker side of him as a father.

A Shocking Childhood

We already knew that Jobs denied being Lisa's father when she was born. It wasn't until a DNA test proved he was the father that he started paying child support, and only because the court forced him to. Lisa’s mother, Chrisann Brennan, struggled to raise her daughter alone, barely getting by on low-paying jobs and welfare. Meanwhile, Steve Jobs was already making money from Apple.

Even after admitting he was her father, Jobs wasn’t much of a parent. He rarely visited Lisa, and for a long time, he denied that the Apple computer, the Lisa, was named aft...