Leonid Tchertov graduated as a certified specialist from the Higher School of Industrial Art in Saint Petersburg, Russia (1972). He received his PhD from the Saint Petersburg State University with the dissertation “Language of Object Forms and Spatial Relations” (1996). He is an active member of the International Association for the Semiotics of Space (IASSp). His publications include the books Being a Sign (1993), Sign Prism: Papers on General and Spatial Semiotics (2014), Semiotics. Outlines of Its History and Theory (2017)—all in Russian, and Spatial Modelling and Semiotic Means (2017).