Homo has meaning “man”. This type of early humans is the most advanced ancient humans compared with other early humans, such as Meganthropus and Pithecanthropus. The discovery of fossil types homo begins in 1889, when Von Rietschoten found some parts of the skull and skeleton in an area near Tulungagung, East Java. The findings were further investigated by Dr. Eugene Dubois and named as Homo Wajakensis (as found in the Wajak). Pleistocene origin is the top layer. Homo Wajakensis including aboriginal Australia. Koenigswald states that Homo Wajakensis may be incorporated into the type of Homo sapiens, which means intelligent man. Meanwhile, another geologist Ter Haar in 1931 found the soil Ngandong (Ngawi) near the Bengawan Solo River valley called Homo fossils soloensis. Furthermore, Ir. Oppenoorth in 1931 – 1932 found the fossilized skull and bones in the calf of the creature Homo Ngandong soloensis (some are named Pithecanthropus soloensis) from the Pleistocene layer.