Seyfert, Bodo E.: - The author was born in 1947, graduated from an advanced high school in 1966 where he submitted his first work on the subject of the history of rocket development. In 1969, he earned a bachelor's degree in electronics from the Military College of the Air Force/Air Defense of the former German Democratic Republic and served as a missile test engineer and missile repair shop leader until 1976, followed by 5 years of postgraduate studies in electrical engineering and computer science in the former Soviet Union and was certified as a Russian-German/German-Russian military translator.In 1993, two and a half year after the unification of Germany, he was invited to work as an engineer (initially for two years) in the USA. The initial 2-year time frame extended further until the author retired in 2016 as a principal engineer.