Persons
                      
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                                                                                                  Protopopov Dmitry Dmitrievich
                                                      
                                                                                                                                                                                                                            public figure  ,                                                                                                                                                                                                                                                   entrepreneur                                                                                                                                                                                                 
                      
                                                                             
           
    
    
    
        
    
                                   
    
            
    
    
    
        
        
                           
                
                
        
    
    
    
                        
    
               
      
        
    
    
        
    
        
    
            
    
    
                    
        
                                                               
                                                                                                
                            
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                                                        Knowledge, publishing house, 1898-1913 
                                                                           
                         
                        KNOWLEDGE (Znanie), a publishing house established in 1898 by K.P. Pyatnitsky as a joint-stock company of writers, which included V.A. Posse, D.D. Protopopov, O.N. Popova, V.I. Charnolusky, and G.A. Falborg
                                             
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                                                        Literacy Committee 
                                                                           
                         
                        LITERACY COMMITTEE, St. Petersburg, founded in 1861 on the initiative of S. S. Lashkarev as a part of the Free Economic Society in order to contribute to encourage an increase in education
                                             
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