Shuman, E. C. (Everett C.), 1902-2002
Everett C. Shuman (1902-2002) was a Penn State faculty member and pioneer researcher in energy conservation. He was called the father of the "R-value," the indicator of heat resistance used for all types of insulation materials since 1970. He also invented the mineral core fire door.
From the description of Everett C. Shuman papers, 1891-1989. (Pennsylvania State University Libraries). WorldCat record id: 731974394
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