• Facets (new session)
• Description
• Metadata
• Settings
  • Rule: ActivityStreamsMapasEquivalentb3sb3sifpdbprdf-labelfacetshttp://dbpedia.org/resource/inference/rules/dbpedia#http://dbpedia.org/resource/inference/rules/opencyc#http://dbpedia.org/resource/inference/rules/umbel#http://dbpedia.org/resource/inference/rules/yago#http://dbpedia.org/schema/property_rules#http://www.ontologyportal.org/inference/rules/SUMO#http://www.ontologyportal.org/inference/rules/WordNet#http://www.w3.org/2002/07/owl#ldpoplwebskos-transurn:det:rdf:labelvirtrdf-labelvirtrdf-urlNone
    
  • Inverse Functional Properties: Disabled (fastest) Apply to subjects only Apply to objects only Apply to both subjects and objects
  • "Same As": Disabled (fastest) Apply to subjects only Apply to objects only Apply to both subjects and objects (recommended) Apply to subjects, objects and predicates (not recommended on big datasets) Apply to predicates only (special use cases only)

About: Charles Vickery Drysdale     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : schema:Person, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingfoaf:Personpersondul:NaturalPersonEukaryotePersonHumanAnimalanimaleukaryotespeciesschema:Person New Facet based on Instances of this Class

Charles Vickery Drysdale FRSE CB OBE (1874–1961) was an English electrical engineer and social reformer. He is remembered for opening the second birth control clinic in Britain in 1921 and co-founding the Family Planning Association in 1930. As an engineer he is remembered as the inventor of the Phase-shifting transformer. He was co-founder of the Institute of Physics and served as its Vice-President 1932–1936. He was first a Malthusian and then a Neo-Malthusian and served as President of the Malthusian League. He is seen as a founding father of Neo-Malthusianism.