The “Look-Locker” method of measuring nuclear spin-lattice relaxation times in a single sweep was invented by David C. Look and Donald R. Locker in 1970 and in the last twenty years has become widely used in magnetic resonance imaging. This article is a brief history of the invention from the remembrances of David Look.
Look, D. C.
(2014). The Look-Locker Method in Magnetic Resonance Imaging: A Brief, Personal History. .