About: Recreational cryptographers

Property	Value
rdf:type	skos:Concept
rdfs:label	Recreational cryptographers
skos:broader	dbpedia:Category:Recreational_mathematics dbpedia:Category:Cryptographers
skos:prefLabel	Recreational cryptographers
is skos:subject of	dbpedia:Edgar_Allan_Poe dbpedia:Martin_Gardner dbpedia:Donald_Davies dbpedia:Simon_Singh dbpedia:Clifford_B._Hicks dbpedia:Benjamin_Franklin dbpedia:Herbert_Zim dbpedia:George_W._Hart dbpedia:Helen_Fouché_Gaines dbpedia:James_Gillogly dbpedia:Elonka_Dunin dbpedia:Clifford_A._Pickover dbpedia:Rosario_Candela dbpedia:Stefan_Krah