This theory was initially proposed by [[Charles Darwin]] in [[The Origin of Species]] and then heavily promoted by the German Darwinist, [[Ernst Haeckel]]. In 1904, Haeckel reiterated a view of Darwin: "These lower races ... are psychologically nearer to the mammals (apes or dogs) than to civilized Europeans; we must, therefore, assign a totally different value to their lives." <ref>Ernst Haeckel, The Wonders of Life (New York: Harper 1904), 56-57 (emphasis added).</ref> | This theory was initially proposed by [[Charles Darwin]] in [[The Origin of Species]] and then heavily promoted by the German Darwinist, [[Ernst Haeckel]]. In 1904, Haeckel reiterated a view of Darwin: "These lower races ... are psychologically nearer to the mammals (apes or dogs) than to civilized Europeans; we must, therefore, assign a totally different value to their lives." <ref>Ernst Haeckel, The Wonders of Life (New York: Harper 1904), 56-57 (emphasis added).</ref> |