Palladium Palladium Palladium is a chemical element with symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston. He named it after the asteroid Pallas, which was itself named after the epithet of the Greek goddess Athena, acquired by her when she slew Pallas. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. More than half the supply of palladium
HMS Athene HMS Athene HMS "Athene" was a Royal Navy aircraft transport. She was a merchant conversion, requisitioned by the Navy during the Second World War and returned after its end. She is the only ship of the Royal Navy to be named after the Greek goddess Athene. She was broken up in 1963. She was originally built as the "Clan Brodie", for the Clan Line at the yards of the Greenock & Grangemouth Dockyard Company Greenock, Scotland. The Navy requisitioned her and she was launched on 1 October 1940 as the aircraft transport HMS "Athene". "Athene" received a single catapult, and