The Esteve Foundation, together with the Catalan Society of Pharmacology, inaugurated the latter’s Academic Year 1999-2000 with the lecture New intracellular regulating and signaling mechanisms, imparted by Prof. Federico Mayor, Jr., from the Department of Molecular Biology and the Severo Ochoa Center of Molecular Biology (CSIC-UAM) of Madrid. The lecture was held at the Academy of Medical Sciences of Catalonia and the Balearic Islands. on October 20, 1999.