Djoser was the best known pharaoh, and possibly the founder, of the Third Dynasty of the Old Kingdom in Egypt. He was responsible for the world's first known monumental stone building, the Step Pyramid at Sakkara.
Little is known about Djoser, but the fact that he was able to build such a massive and innovative structure as the Step Pyramid suggests that during his reign Egypt was politically stable, with a successful economy. The architect of the pyramid was Imhotep, a priest and advisor of Djoser's who is the first architect known by name in history.