At this point, it's customary to highlight a British officer who has the greatest biographical entry in Wikipedia, bar none:
https://en.m.wikipedia.org/wiki/Adrian_Carton_de_Wiart
Lieutenant General Sir Adrian Paul Ghislain Carton de Wiart[1] VC, KBE, CB, CMG, DSO (5 May 1880 – 5 June 1963)...