Complex sentence: During the Great War, I was approached to work on a project, "Starker Sturm", a wind generating weapon that was the brainchild of a rather unscrupulous engineer named Dr. Nicholas Von Essen.
Split into simpler sentences: During the Great War, I was approached to work on a project, "Starker Sturm", a wind generating weapon. It was the brainchild of a rather unscrupulous engineer named Dr. Nicholas Von Essen.