Sinclair McKay

Sinclair McKay

a man in glasses is posing for a photo.

Sinclair McKay is the London-based literary critic for the Telegraph and the Spectator and is the author of The Secret Life of Codebreakers and Bletchley Park Brainteasers.

A red and white illustration of a man and a woman, both portrayed as code-making geniuses.
Giambattista della Porta's contributions to codebreaking changed the course of communication.