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Marcel Joseph Vogel (1917–1991) was a research scientist working at the IBM San Jose Research Center for 27 years. He is sometimes referred to as Dr. Vogel, although this title was based on an honorary degree, not a Ph.D.. Later in his career, he became interested in various theories of quartz crystals and other occult and esoteric fields of study. The Vogel Crystal type cut was created by him. ==Mainstream scientific work== It is claimed that Vogel started his research into luminescence while he was still in his teens. This research eventually led him to publish his thesis, ''Luminescence in Liquids and Solids and Their Practical Application'', in collaboration with University of Chicago's Dr. Peter Pringsheim in 1943. Two years after the publication, Vogel incorporated his own company, Vogel Luminescence, in San Francisco. For the next decade the firm developed a variety of new products: fluorescent crayons, tags for insecticides, a black light inspection kit to determine the secret trackways of rodents in cellars from their urine and the psychedelic colors popular in "new age" posters. In 1957, Vogel Luminescence was sold to Ultra Violet Products and Vogel joined IBM as a full-time research scientist. He retired from IBM in 1984. He received 32 patents for his inventions up through his tenure at IBM.〔(Documentation from IBM on Vogel patents, at GoogleDocs )〕 Among these was the magnetic coating for the 24" hard disk drive systems still in use. His areas of expertise, besides luminescence, were phosphor technology, magnetics and liquid crystal systems. At Vogel's February 14, 1991 funeral, IBM researcher and Sacramento, California physician Bernard McGinity, M.D. said of him, "He made his mark because of the brilliance of his mind, his prolific ideas, and his seemingly limitless creativity."〔(【引用サイトリンク】title=IBM100 - Magnetic Stripe Technology )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Marcel Vogel」の詳細全文を読む スポンサード リンク
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