Who are some notable philosophers of the 20th century?

Who are some notable philosophers of the 20th century?

Some notable philosophers of the 20th century include Ludwig Wittgenstein, Martin Heidegger, Jean-Paul Sartre, Simone de Beauvoir, Albert Camus, Karl Popper, Michel Foucault, Jacques Derrida, John Rawls, and Richard Rorty.