ABOUT THE AUTHOR
John Joseph Mearsheimer (/ˈmɪərʃmər/;[3] born December 14, 1947) is an American political scientist and international relations scholar, who belongs to the realist school of thought. He is the R. Wendell Harrison Distinguished Service Professor at the University of Chicago.

Mearsheimer proposed the theory of offensive realism which describes the interaction between great powers as dominated by a rational desire to achieve hegemony in a world of insecurity and uncertainty regarding other states' intentions.