Marie Curie · every age

What was Marie Curie doing at 46?

The only person with Nobels in two different sciences

1. c. 1914

   Built mobile X-ray vans and drove them to the WWI front

   She learned to drive herself. The vans are thought to have X-rayed over a million wounded soldiers.

   Source: en.wikipedia.org

Portrait: Photo: Henri Manuel (c. 1920), public domain, via Wikimedia Commons · source