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Although the notion of academic freedom has a long implicit history ( Leiden University , founded in 1575 , birthplace of the modern concept ) , the idea was first clearly formulated in response to the encroachments of the totalitarian state on science and academia in general for the furtherance of its own goals .
 organization: Leiden University
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Leiden University 
Answer:
 organization: Leiden University