Eric Vandendriessche is a researcher at the French National Center for Scientific Research (Section 38-Anthropology), a mathematician by training, and PhD in Epistemology and History of Science. He is a member of the Centre de recherche et de documentation sur l’Océanie (Aix-Marseille University, CNRS), where he carries out research in Ethnomathematics. His main research interest concerns mathematical practices developed in oral tradition societies. Eric Vandendriessche was the PI of the Encoding and Transmitting Knowledge with a String: a comparative study of the cultural uses of mathematical practices in string figure-making (Oceania, North & South America) research project (2016–21), funded by the French National Research Agency.