Karen Michelle Barad (born 29 April 1956), is an American feminist theorist, known particularly for their theory of Agential Realism. They are currently Professor of Feminist Studies, Philosophy, and History of Consciousness at the University of California, Santa Cruz. They are the author of Meeting the Universe Halfway: Quantum Physics and the Entanglement of Matter and Meaning. Their research topics include feminist theory, physics, twentieth-century continental philosophy, epistemology, ontology, philosophy of physics, cultural studies of science, and feminist science studies.
Barad earned their doctorate in theoretical physics at Stony Brook University. Their dissertation presented computational methods for quantifying properties of quarks, and other fermions, and in the framework of lattice gauge theory.
(from Wikipedia)