Matches in DBpedia 2014 for { ?s ?p Jack Ridnour Cole (February 12, 1920, Lincoln, Nebraska - July 29, 2007, Spearfish Canyon, South Dakota) was an American entrepreneur and businessman who used early computer technology to create "crisscross directories", which are used to sort millions of people by street address. The "Blue Book" is the original criss cross reference directory.. }
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- Jack_Cole_(businessman) comment "Jack Ridnour Cole (February 12, 1920, Lincoln, Nebraska - July 29, 2007, Spearfish Canyon, South Dakota) was an American entrepreneur and businessman who used early computer technology to create "crisscross directories", which are used to sort millions of people by street address. The "Blue Book" is the original criss cross reference directory.".