The founding director of the IISL, André-Jean Arnaud, had bronze plaques put on the walls of the renaissance building with the names of some of the forefathers of modern sociology of law: Montesquieu, Henry James Sumner Maine, Francisco Giner de los Ríos, Henri Lévy-Bruhl, Achille Loria, Leon Petrażycki, Émile Durkheim, Max Weber, Eugen Ehrlich, Karl Renner, Karl N. Llewellyn, Theodor Geiger, Georges Gurvitch, Nicholas S. Timasheff.
Paul Ehrlich | Marty Ehrlich | Eugen Goldstein | Eugen d'Albert | Paul R. Ehrlich | Eugen Jochum | Eugen Fischer | Eugen Sandow | Eugen Rosenstock-Huessy | Eugen Richter | Eugen Kolisko | German cruiser Prinz Eugen | Eugen Weber | Eugen Ehrlich | Eugen Drewermann | Bob Ehrlich | Alojzy Ehrlich | Philip Ehrlich | Henryk Ehrlich | Eugen Millington-Drake | Eugen Kogon | Thomas Ehrlich | ''Robin'' Alexander Wolfgang Udo Eugen Wilhelm Gottfried of Sayn-Wittgenstein-Berleburg | ''Prinz Eugen'' | Karl Eugen Neumann | Jacques Ehrlich | Eugen von Zimmerer | Eugen Suchoň | Eugen Schmidt | Eugen Pavel |