Slight spoilers but this is the comments anyway
Rene Descarte, Hannah Arendt
Mary Wollstonecraft(?), Edmund Husserl? Burke?
Zeno of Elea, Philippa Foot
Hypatia of Alexandria, Ayn Rand (bleh)
Simone de Beauvoir, Jean-Paul Sartre
Soren Kierkegaard, Albert Camus
Karl Marx, Adam Smith
Rosa Luxemburg(??), Peter Singer(??)
I really love how you placed some pairs together, like de Beauvoir and Sartre, Kierkegaard and Camus, and Marx and Smith. Overall it's a really nice game!