 After Firth's death in 1931 no excavations took place on site until they were resumed by Lauer in 1948.Lauer worked there until 1955, re-clearing and re-planning the mortuary temple and investigating the eastern side of the pyramid.Research on the north and west sides of the mortuary complex was conducted starting in 1976 by Ahmed el-Khouli who excavated and restored the pyramid entrance.