Heliogabalus and Elagabalus are names given since late antiquity to the mythical or legendary avatar of Varius Avitus Bassianus. Varius was Roman emperor AD 218

Varius is the nomen of the Roman emperor misnamed Elagabalus or Heliogabalus. These are names of the Syrian sun god Elagabal, whose high priest Varius was while

Elagabal is the name of the Syrian sun god whose high priest Varius was, at the same time as Roman emperor, AD 218–222. Because of this connexion, Varius was

As a spectroscopic method, Nuclear Magnetic Resonance (NMR) has seen spectacular growth over the past two decades, both as a technique and in its applications.

'Buy the book; it's very entertaining.' David Aaronovitch, The Times A Financial Times, BBC History and Spectator Book of the Year On 8 June 218 AD, a fourteen-