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                                                                                                  Ukhtomsky Sergey Alexandrovich
                                                      
                                                                                                                                                                                                                            artist                                                                                                                                                                                                 
                      
                                                                             
           
    
    
    
        
    
                                   
    
            
    
    
    
        
        
                                      
                
                
        
    
    
    
                        
    
                      
      
        
    
    
        
    
        
    
            
    
    
                    
        
                                                               
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                                                        Petrograd Fighter Organization 
                                                                           
                         
                        PETROGRAD FIGHTER ORGANIZATION, Tagantsev's Plot, the Case of Tagantsev) was the mythical counter-revolutionary organization, which had supposedly existed in Petrograd in the early 1920s
                                             
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