Abstract

This article makes the case that a more capacious understanding of the philosophy of naturalistic monism can place in a new light some of the chief intellectual, cultural, religious and political questions and conflicts in the period between the 1840s and 1940s, making this in many ways a “monist century.” It approaches this task from two directions. First, the article argues that monism represented a peculiar type of socially embodied knowledge that is little understood and yet which illuminates one of the important ways in which religion, science, and philosophy coalesced in social and political movements in this period. It approaches this task through an analysis of two key terms in Ernst Haeckel’s epoch-making book "The Riddle of the Universe" (1899). Haeckel invoked the term “world riddles” to identify those points of conflict between dualistic and monist philosophical systems and to claim that the latter had solved this riddles through science. By contrast, this article identifies in the riddles the nodal points upon which the entire monist edifice was erected. Turning to the social embodiment of monism, I argue that rather than approaching monism as philosophy, religion, scientific paradigm or ideology, it is best understood as a novel formation of knowledge captured in the second key term “worldview.” Indeed, in many ways the German concept of Weltanschauung developed in tandem with and through the history of monism, so that monism offers a particularly rich avenue for exploring what made the monist century also an age of worldviews.