Hal was an internationally known research psychologist. He first became known for sleep deprivation studies he conducted while in the US Army in the 1950s. Later research into alcoholism at the end of his life were also well known. H was a full professor at the University of Oklahoma and a Professor Emeritus at the University of Minnesota.
Father: Charles Earl WILLIAMS b: 4 AUG 1897 in Snyder, Dodge County, Nebraska USA
Mother: Alice Evangeline THOMPSON b: 18 SEP 1893 in Hot Springs, South Dakota USA
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