History
Early NMR instruments were developed in the 1950s using thermionic valve (vacuum tube) circuits (see for example Scientific American's, Amateur Scientist, by C. L. Stong April, 1959). Sir Peter Mansfield's first acquaintance with NMR was an undergraduate project to develop a transistorized EFNMR spectrometer in the late 1950s . Following that introduction to NMR, he went on to invent an MRI scanner, for which he shared a Nobel prize.
Read more about this topic: Earth's Field NMR
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“It would be naive to think that peace and justice can be achieved easily. No set of rules or study of history will automatically resolve the problems.... However, with faith and perseverance,... complex problems in the past have been resolved in our search for justice and peace. They can be resolved in the future, provided, of course, that we can think of five new ways to measure the height of a tall building by using a barometer.”
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