3 lives in this collection worked in cryptanalysis, from 1540 to today. Each has a full course on their life and the mathematics and physics they made.
French lawyer and royal councillor who introduced letters for known quantities, founding symbolic algebra and the theory of equations.
algebra, theory of equations, trigonometry
Mathematician and inventor who designed the Difference Engine and the Analytical Engine, the first design for a general-purpose programmable computer.
mathematics, mechanical computation, functional equations
British mathematician who defined computability with the Turing machine, led the breaking of naval Enigma, designed the ACE computer and founded the theory of biological pattern formation.
mathematical logic, computability theory, cryptanalysis