You can see some of their tombs in the Pantheon! Fun fact: Marie Curie's is the only one that's lined with lead, because there was a concern that she'd still be radioactive...
Here's a fun one: Her body is buried in Monaco, but in recognition of her manifold contributions to the arts, civil rights, and the French resistance during WWII, she recently became the first black woman interred in the Pantheon.
This is one of those quizzes that highlights that my general knowledge and actual general knowledge are quite different. The only question I struggled with is the Citroen one, yet 2/3 got that.
That's my limit of mime knowledge.