What makes Antigone and Macbeth tragic heroes, and who is more tragic?

What makes Antigone and Macbeth tragic heroes, and who is more tragic?
Will you answer this question or send me definition of tragic hero, tragic fl;aw and whatever else I need to define?

Try this for starters and then come back to us with YOUR ideas: Tragic hero - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Tragic_hero)