The first name of architect Schoemaker is Charles .
Charles Prosper Wolff Schoemaker was one of the architects who strongly added native elements in his artworks , including the Villa Isola ( 1932 ) , Hotel Preanger ( 1929 ) , the regional military headquarter ( 1918 ) , Gedung Merdeka ( 1921 ) and ITB Rectorate Building ( 1925 ) .
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