» Philosophers
- Abelard, Peter
- Abu Ya’qub al-Sijistani
- Addams, Jane
- Adorno, Theodor
- Aenesidemus
- Agamben, Giorgio
- al-Kirmani, Hamid al-Din
- Al-Shahrastānī
- Alexander Polyhistor
- Alexander, Samuel
- Anaxagoras
- Anaxarchus
- Anaximander
- Anaximenes
- Angélique Arnauld
- Anscombe, G. E. M.
- Anselm
- Antisthenes
- Aquinas, Thomas
- Arcesilaus
- Arendt, Hannah
- Aristippus
- Aristotle
- Augustine
- Avicenna (Ibn Sina)
- Bacon, Francis
- Bacon, Roger
- Beattie, James
- Beauvoir, Simone de
- Beccaria, Cesare
- Bentham, Jeremy
- Berkeley, George
- Bhartrihari
- Blondel, Maurice
- Bolingbroke, Henry St. John
- Bonhoeffer, Dietrich
- Buber, Martin
- Buddha
- Butler, Joseph
- Caird, Edward
- Calvin, John
- Camus, Albert
- Carnap, Rudolf
- Carneades
- Castoriadis, Cornelius
- Cheng Hao (Cheng Mingdao)
- Chrysippus
- Cicero
- Cleanthes
- Confucius
