The Modifier Within: Bruno Latour’s Actant and Martin Heidegger’s Thing Theory

It has generally been recognized that while Bruno Latour’s and Martin Heidegger’s respective philosophies of technology converge on key points there is also a significant difference of attitudes towards the themes discussed. To better appreciate the similarities and differences, I suggest that we seek to understand both Latour and Heidegger as philosophers of the event, who seek to rescue the novel emergence of beings from the sedimentation of reductive, explanatory frameworks. I take up this line of thought and compare Latour’s and Heidegger’s theories of things and the types of experiences they presume. Latour’s metaphysics of the actant ensures that no actant’s activity is ever reduced to being the passive effect of another. Yet while the actant can be ‘applied’ to any entity, from a Heideggerian standpoint this strength is precisely its weakness. Latour’s metaphysics provides a horizon of thought that blocks an original experience of things that Heidegger’s thought points towards. By stepping back from the horizonal experience Latour’s metaphysical blueprint for entities imposes, one can enter into an original opening that stems neither from humans nor nonhumans, but an ineradicable mystery at the origin of being. This mystery is nothing more than the inability to give ultimate reasons for the presence of beings. While Latour’s actant as Ding is simply an actant with innumerable relations, Heidegger’s das Ding is the concrete experience of the dissolution of metaphysical reasons, first and last causes. Precisely because Heidegger’s das Ding emerges from a prior mystery that suspends any overarching causal or purposive schema, things can more freely presence from themselves.