Userkaf
Userkaf was an ancient Egyptian pharaoh of the Fifth Dynasty. He is believed to have reigned from approximately 2494 to 2487 BC. His parentage is not definitively known, but he is generally considered to be the son of the powerful Queen Khentkaus I, and possibly a priest named Ptahshepses. Userkaf's reign marks the beginning of a new era in Egyptian solar worship, with a significant emphasis on the cult of the sun god Ra.
He is best known for constructing the Sun Temple of Abusir, dedicated to Ra. This temple was