Charles Darwin · every age

What was Charles Darwin doing at 63?

Boarded the Beagle at 22, published his big idea at 50

1. c. 1872

   Published The Expression of the Emotions in Man and Animals

   One of the first books illustrated with photographs.

   Source: en.wikipedia.org

Portrait: Photo: Maull & Fox (c. 1854), public domain, via Wikimedia Commons · source