|Died||15 May 2017 (aged 95)|
|Institutions||University of Mainz|
University of Saarbrücken
University of Frankfurt am Main
|Philosophy of language, ethics|
Karl-Otto Apel (German: [ˈaːpl̩]; 15 March 1922 – 15 May 2017) was a German philosopher and Professor Emeritus at the University of Frankfurt am Main. He developed a distinctive philosophical approach which he called "transcendental pragmatics" (Transzendentalpragmatik). He was known for his works Understanding and Explanation: A Transcendental-Pragmatic Perspective and Theory of Communicative Action.
Apel was made a Member of the Academia Europaea in 1989 and a Full Member of the Academia Scientiarum et Artium Europaea in 1993. In 2001, he was awarded the Order of Merit of the Federal Republic of Germany.