progenitor       
noun [ C ]  formal uk/prəʊˈdʒen.ɪ.tər/ us/proʊˈdʒen.ə.t̬ɚ/
 先驱,前辈
a person who first thinks of something and causes it to happen
  Marx was the progenitor of communism. 马克思是共产主义的创始人。 
 
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