Charles Darwin · every age

What was Charles Darwin doing at 53?

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

1. c. 1862

   Published Fertilisation of Orchids

   Evidence that flowers and insects had evolved together.

   Source: en.wikipedia.org

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