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
The Metropolitan Theatre The Metropolitan Theatre The Metropolitan Theatre was a West End music hall and theatre located at 267 Edgware Road, Paddington, London. The original building on this site, the 'White Lion Inn', dated from 1524. In 1836, this was rebuilt to become 'Turnham's Grand Concert Hall'. Rebuilding commenced again in 1862, at a cost of £25,000; this ended in 1864 with an increased capacity of 2000 and a new name of 'The Metropolitan Music Hall'. It was redesigned in 1896 by the theatre architect Frank Matcham with a new and enlarged stage, new dressing rooms and a new auditorium seating 1,855;