Complex sentence: After medical school and a short position as a surgeon, he became an ICRC delegate and was deployed in Ethiopia during the Abyssinian war, in Spain during the Spanish Civil War, and in Europe as well as in Japan during the Second World War.
Split into simpler sentences: After medical school and a short position as a surgeon, he became a delegate of the International Committee of the Red Cross. He was deployed in Ethiopia during the Abyssinian war, in Spain during the Spanish Civil War, and in Japan during the Second World War.