Alan Turing · every age
What was Alan Turing doing at 23?
Defined the computer at 24, broke Enigma at 27, gone at 41
- c. 1935
Elected a Fellow of King's at 22
On the strength of a dissertation proving a version of the central limit theorem.
Source: en.wikipedia.org
Others at 23
Portrait: Photo: Elliott & Fry (1951), public domain, via Wikimedia Commons · source