He was o cially   pardoned by Queen Elizabeth in 2014, and he developed the Banburismus procedure to aid his work in cryptanalysis.
This man's work in mathematical biology included his paper  The Chemical Basis of Morphogenesis . This man introduced the method of LU decomposition to solve matrix equations, and also developed a system for the encryption of voice-based communications. His PhD dissertation, Systems of Logic Based on Ordinals, introduced the concept of an oracle machine. He was o cially   pardoned by Queen Elizabeth in 2014, and he developed the Banburismus procedure to aid his work in cryptanalysis. His paper  Computing Machinery and Intelligence  introduced his namesake  test . For ten points, identify this English mathematician who led the e ort to break the German Enigma code.
This man's work in mathematical biology included his paper  
Alan Mathison Turing