One of this man's inventions improved on a device made by William Reid Clanny and on one invented by railway pioneer George Stephenson.  
This man moved to Thomas Beddoes' lab in Bristol after reading Lavoisier's TraitÃ© ElÃ©mentaire de Chimie.  One of this man's inventions improved on a device made by William Reid Clanny and on one invented by railway pioneer George Stephenson.  This "reasonably competent poet" edited the second edition of Lyrical Ballads.  This woodcarver's son worked with Michael Faraday to create a device whose ventilation tubes helped prevent disasters similar to the 1812 conflagration at the Felling (*) Colliery which killed 92 people.  He earned a Royal Institution invitation for discovering a compound that caused him to feel a sensation "highly pleasurable in every limb".  One wag quipped that "He lived in the odium / Of having discovered sodium".  This man discovered laughing gas and invented the first practical miner's safety lamp.  For 10 points, name this scientist who discovered chlorine.
This man moved to Thomas Beddoes' lab in Bristol after reading Lavoisier's TraitÃ© ElÃ©mentaire de Chimie.  
Sir Humphry Davy 