Hwang Jang Yop

When he defected, he left his family behind in Pyongyang. His wife subsequently committed suicide. One daughter died under mysterious circumstances when she fell off a truck. Another daughter and son are believed to be in labor camps. He is an aspiring (if late-in-coming) reformer who escaped a system that had no room for reform, a bitter philosopher who saw his life's work twisted by an egomaniacal dictator whom he had once tutored, and who then found himself kicked off the ladder that he'd spent his whole life climbing.