Tomb of Clytemnestra Similarly, a number of Mycenaean tholos tombs were named after mythical persons of the local ruling dynasties, like Atreus and Aegisthus. The ancient Greek geographer Pausanias referred to the location of the tombs of Clytemnestra and Aegisthus a little further from the walls of Mycenae, as they were not judged fit to be buried within the walls due to the murder of king Agamemnon. 19th century archaeologist Heinrich Schliemann followed this passage of Pausanias and searched at the vicinity of Mycenae for their tombs. Excavations in the 1960s led to the discovery of the surrounding walls of the tomb. In
Greek mythology in popular culture elements tantalum and niobium are always found together in nature, and have been named after the King Tantalus and his daughter Niobe. The element promethium also draws its name from Greek mythology, as does titanium, which was named after the titans who in mythology were locked away far underground, which reflected the difficulty of extracting titanium from ore. The U.S. Apollo Space Program to take astronauts to the moon, was named after Apollo, based the god's ability as an archer to hit his target and being the god of light and knowledge. Oceanographer Jacques-Yves Cousteau named his research ship, a