Lydia Azadpour is a PhD researcher at Royal Holloway, University of London, UK. Her primary research areas are metaphysics, the philosophy of nature, and the history of science in late eighteenth and early nineteenth-century German philosophy.Daniel Whistler is Lecturer in Modern European Philosophy at Royal Holloway, University of London, UK. His research interests are the history of philosophy: German Idealism, its origins and aftermath and nineteenth-century French philosophy.

• 1. Introduction: Kielmeyer then and now. Lydia Azadpour (Royal Holloway, University of London, UK) and Daniel Whistler (Royal Holloway, University of London, UK)2. Kielmeyer’s Fame and Fate: An Intellectual Biography. Kai Torsten Kanz (The University of Lübeck, Germany)PART ONE: TEXTS3. On the Relations between Organic Forces. Carl Friedrich Kielmeyer. trans. Lydia Azadpour (Royal Holloway, University of London, UK) 4. Selections from Carl Friedrich Kielmeyer’s correspondence. trans. Iain Hamilton Grant (University of West England, UK)5. On Infusioria. Carl Friedrich Kielmeyer. trans. Lydia Azadpour (Royal Holloway, University of London, UK) PART TWO: INTERPRETATIONS6. Kielmeyer between Mechanics and Organicism. Jocelyn Holland (California Institute of Technology, USA)7. Force and Law in Kielmeyer’s 1793 Address. Andrew Cooper (University of Warwick, UK)8. Comparative Physiology and the New Era of Natural History: Kielmeyer as the Father of Romantic Biology. Andrea Gambarotto (The Catholic University of Louvain, Belgium)9. Organic Physics as a Comparative Phenomenology of the Organic. Thomas Bach (University of Jena, Germany)10. Recapitulation All the Way Down? Morphogenesis without Final Form in Kielmeyer’s ‘new epoch in Natural History’. Iain Hamilton Grant (University of West England, UK)11. Reproduction, Procreation and the Earth. The Place of ‘Sex’ in Kielmeyer’s ‘Economy of Organic Nature’. Susanne Lettow (The Free University of Berlin, Germany)12. The ‘Great Machine of the Organic World’: Dynamics in Schelling and Kielmeyer. Lydia Azadpour (Royal Holloway, University of London, UK)13. Hegel and the Philosophy of Nature: The Case of Kielmeyer. Benjamin Berger (Haverford College, USA)

For readers interested in the history and philosophy of science this collection is a worthwhile exploration, providing many insights into a complex, innovative, and prescient thinker.