January 12, 1929

1929Jaakko Hintikka, Finnish philosopher and logician (died 2015)^[†]

Kaarlo Jaakko Juhani Hintikka was a Finnish philosopher and logician. Hintikka is regarded as the founder of formal epistemic logic and of game semantics for logic.

1929Alasdair MacIntyre, Scottish-American philosopher and academic (died 2025)^[†]

Alasdair Chalmers MacIntyre was a Scottish-American philosopher who contributed to moral and political philosophy as well as history of philosophy and theology. MacIntyre's After Virtue (1981) is one of the most important works of Anglophone moral and political philosophy in the 20th century. He was a senior research fellow at the Centre for Contemporary Aristotelian Studies in Ethics and Politics (CASEP) at London Metropolitan University, emeritus Professor of Philosophy at the University of Notre Dame, and permanent senior distinguished research fellow at the Notre Dame de Nicola Center for Ethics and Culture. During his lengthy academic career, he also taught at Brandeis University, Duke University, Vanderbilt University, and Boston University.