Panel on “Past and future of computer science theory” - Fagin, R; Gottlob, G; Papadimitriou, C; Vardi, M; Ausiello, G; Lenzerini, M; Palopoli, L; Saccà, D; Scarcello, F (Proceedings of the 29th Italian Symposium on Advanced Database Systems (SEBD 2021), 2021)