Answer: The last king of the Third Dynasty, Huni of the first king of the 4th Dynasty, Sneferu
Explanation: It depends on who you ask. Huni was thought to have started it because he built massive projects for the Old Kingdom. But the credit for the Meidum Pyramid is known to be built by Sneferu.
The trend of building Pyramids started with the construction of the pyramid of pharaoh Djoser in the third dynasty of the Middle Kingdom followed by the world-famous pyramids of Giza.
