The author is a retired engineer, pilot and martial arts practitioner who devotes his time to teaching and community service. He continues to observe good health practices and is a student of life....lihat lebih banyakThe author is a retired engineer, pilot and martial arts practitioner who devotes his time to teaching and community service. He continues to observe good health practices and is a student of life. He has been married to his wife Sue since 1980. Reach Michael at mapiatak@comcast.netlihat lebih sedikit