Lt. General Sir David Henderson, KCB, KCVO, DSO

Lieutenant General Sir David Henderson, KCB, KCVO, DSO (11 August 1862 – 17 August 1921) was the senior leader of British military aviation during the First World War, having previously established himself as the leading authority on tactical intelligence in the British Army. He served as the commander of the Royal Flying Corps in the field during the first year of the First World War and was instrumental in establishing the Royal Air Force as an independent service. After the war Henderson was the first Director-General of the League of Red Cross Societies.

https://en.wikipedia.org/wiki/David_Henderson_(British_Army_officer)