:

  •  
                                                          

    () (Ebbinghaus) (1850-1909)

    () (Ebbinghaus) (1850-1909)

    , . . - " " (1885); (" ").

    - ( . - ) ( 1921 )
    -
    (Beaverbrook) (1879-1964)
    () ( . 3 .)

    :