The author has been a high school teacher of business subjects, focusing Economics for 35 years. He has been through 12 schools around Chicago. He has a doctorate to educate from the University of ...mehr sehenThe author has been a high school teacher of business subjects, focusing Economics for 35 years. He has been through 12 schools around Chicago. He has a doctorate to educate from the University of Illinois. He’s been happily married for 50 years and has one child, Daniel, a computer expert.weniger sehen