What famous people did Rene Descartes meet?

René Descartes interacted with several notable figures during his lifetime, including the mathematician and philosopher Marin Mersenne, who facilitated communication among intellectuals of the time. He also met Queen Christina of Sweden, who invited him to her court in 1649, where he spent his final years. Additionally, Descartes corresponded with other prominent thinkers, such as Blaise Pascal and Gassendi, although direct meetings with them are less documented.