Matches in DBpedia 2015-10 for { ?s ?p "Crawford Hallock Greenewalt (August 16, 1902 – September 28, 1993) was an American chemical engineer who served as president of the DuPont Company from 1948 to 1962 and as board chairman from 1962 to 1967."@en }
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- Crawford_Greenewalt abstract "Crawford Hallock Greenewalt (August 16, 1902 – September 28, 1993) was an American chemical engineer who served as president of the DuPont Company from 1948 to 1962 and as board chairman from 1962 to 1967.".
- Crawford_Greenewalt comment "Crawford Hallock Greenewalt (August 16, 1902 – September 28, 1993) was an American chemical engineer who served as president of the DuPont Company from 1948 to 1962 and as board chairman from 1962 to 1967.".