%0 Journal Article %T the meaning of the Ernst Haeckel’s monism in the history of philosophy %A Kudrin, S.K. %K philosophy of the late nineteenth and early twentieth centuries, Ernst Haeckel, monism, darwinism, pantheism, natural-science materialism, atheism, consciousness , ether, the law of substance %J Journal of Philosophical Research %D 2019 %N 5 %P 6 %I INFRA-M Academic Publishing LLC.