Final answer:
Djoser, an ancient Egyptian pharaoh, commissioned the construction of the step pyramid, known as the Pyramid of Djoser, which is the earliest large stone building in Egypt.
Step-by-step explanation:
Djoser, an ancient Egyptian pharaoh, is known for commissioning the construction of the step pyramid, also known as the Pyramid of Djoser. Built by the architect Imhotep during Djoser's reign, this pyramid is the earliest large stone building in Egypt. It is composed of six stone mastabas, or rectangular tombs, stacked on top of each other. The step pyramid of Djoser was a revolutionary architectural feat, utilizing durable stone instead of mud bricks and featuring multiple rooms and temples.