Philip Sabin, quoted in TFA, is a professor at King's College London with a long list of publications related to warfare [1]. He is also known as a war game designer where he puts his ideas in rule sets designed to simulate the battles he has studied. See his list of game credits in [2].

[1]. https://www.kcl.ac.uk/people/professor-philip-sabin

[2]. https://boardgamegeek.com/boardgamedesigner/6341/philip-sabi...