 As the war progressed his proposed solutions to new developments became more complex and Ferdinand Porsche gained a reputation in certain circles as a "mad scientist" especially with Albert Speer (mainly due to his new found affinity for "pointy" designs).A new city, "Stadt des KdF-Wagens" was founded near Fallersleben for the Volkswagen factory, but wartime production concentrated almost exclusively on the military Kübelwagen and Schwimmwagen variants.Mass production of the car, which later became known as the Beetle, began after the end of the war.