Final answer:
Imhotep was the architect of Pharaoh Djoser's pyramid, the step pyramid at Saqqara in Egypt.
Step-by-step explanation:
The architect of Pharaoh Djoser's pyramid was Imhotep. Imhotep is the first recorded artist in history, and he designed and built the step pyramid at Saqqara in Egypt during the reign of Pharaoh Djoser. The step pyramid was composed of six stone mastabas set atop each other, and it is considered the earliest large stone building in Egypt.