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At a 1975 ceremony when the University of the Witwatersrand conferred upon him an honorary doctorate of Science and Engineering , the citation read " William Bleloch can truly be called the father of our electrochemical and electrometallurgical industries " .
 organization: University of the Witwatersrand
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: University of the Witwatersrand