Jacob Blumenfeld teaches philosophy at Humboldt University Berlin. Previously, he was an assistant professor of Practical Philosophy at the Carl von Ossietzky University of Oldenburg. He is the author of The Concept of Property in Kant, Fichte, and Hegel: Freedom, Right and Recognition (Routledge, 2024) and All Things Are Nothing to Me: The Unique Philosophy of Max Stirner (Zero, 2018), and co-editor of Umkämpftes Eigentum: Eine gesellschaftstheoretische Debatte (Suhrkamp, 2025, with Niklas Angebauer and Tilo Wesche).