Michael T NygardMichael Nygard has been a professional programmer and architect for more than 15 years. He has delivered running systems to the U.S. government and to the banking, finance, agriculture, and retail industries. Michael is a popular speaker at technicalconferences, and has written and co-authored several books, including 97 Things Every Software Architect Should Know and the best-selling first edition of this book. Read More Read Less