Norman Mackworth
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Norman H. "Mac" Mackworth is a British psychologist and cognitive scientist known for his pioneering work in the study of boredom, attention, and vigilance; the Mackworth Clock test has been used since the 1940s to study eye tracking.
During the Second World War, Mackworth was recruited by the RAF to study the efficiency of radar operators; his findings resulted in the length of operator duty shifts being drastically reduced.