Sabcho Dimitrov (1952–2018) – A dedication

Abstract With the passing of Dr. Sabcho Dimitrov on 30 May 2018 the structure-activity community lost one of its cherished members. Saby’s career spanned several decades. During that time, he demonstrated leadership and the ability to work with others both within the Laboratory of Mathematic Chemistry(LMC) at his home institution, the As. Zlatarov University, Bourgas, Bulgaria and internationally. He was a crucial contributor to the growth of the OASIS program and later the development of Organization of Economic Cooperation and Development (OECD) QSAR Toolbox.