YAFENG SHAN is a research fellow in epistemology in the Department of Philosophy at the University of Cologne, Germany. He completed his Ph.D. at University College London. His main interests are philosophy of science, epistemology, metaphysics, and metaphilosophy. He is the author of Doing Integrated History and Philosophy of Science: A Case Study of the Origin of Genetics (2020) and the editor of New Philosophical Perspectives on Scientific Progress (2022). He has also published research articles in such journals as Synthese, Philosophy of Science, Metaphilosophy, and Philosophy Compass.