Giovanni Sartori was an influential Italian political scientist, born on May 13, 1924, and passed away on April 4, 2017. He is best known for his work on comparative politics and political theory, particularly in the study of political systems and democracy. Sartori's concept of party systems and his analysis of democratic governance have significantly shaped the field of political science. Sartori also contributed to the understanding of political communication and the role of media in politics. His book, "Comparative Constitutional Engineering," explores how different constitutional designs affect political stability and governance. Throughout his career, Sartori emphasized the importance of clear definitions and classifications in political analysis.