Boris Grigorevich Kolker (Russian) (amụrụ na July 15, 1939 na Tiraspol, Moldavian ASSR, Soviet Union) bụ onye nkuzi asụsụ, onye ntụgharị okwu na onye nkwado nke asụsụ mba ụwa Esperanto. Ọ bụ ruo 1993 onye Soviet na nwa amaala Russia ma kemgbe ahụ bụ onye bi na nwa amaala nke United States bi na Cleveland, Ohio. Na 1985 e nyere ya Ph.D. na asụsụ site na Institute of Linguistics nke Academy of Sciences nke USSR na Moscow. Ajụjụ: Ebee na United States ka ọ bi?
Cleveland, Ohio