Albert Einstein · every age

What was Albert Einstein doing at 26?

A patent clerk who upended physics at 26

1. c. 1905

   Miracle year: special relativity and E=mc²

   Four papers in one year, written while he was still a patent clerk, the photoelectric effect among them. They changed the direction of physics.

   Source: en.wikipedia.org

Portrait: Photo: Orren Jack Turner (1947), public domain, via Wikimedia Commons · source