This file is a supplement to the article “Changing attitudes, organization and scale in engineering education: The teacher as a go-between and TC306 as a knowledge broker”, 3rd John Burland Lecture, by M. Pantazidou, In: Proc. of the ISSMGE Int. Conf. Geotechnical Engineering Education 2025 (GEE 2025), Nancy, France, July 2-4, Calvello, M., Pantazidou, M., Pinho-Lopes, M. (Eds.). CC BY 4.0, with the exception of Figure S2.