Edmund Davy Edmund Davy Edmund Davy FRS (1785 – 5 November 1857) was a professor of Chemistry at the Royal Cork Institution from 1813 and professor of chemistry at the Royal Dublin Society from 1826. He discovered acetylene, as it was later named by Marcellin Berthelot. He was also an original member of the Chemical Society, and a member of the Royal Irish Academy. Edmund Davy was a cousin of Humphry Davy, the famous chemist who invented the Davy lamp for the safety of miners. Edmund, the son of William Davy, was born in Penzance, Cornwall, and lived there throughout his teen
Safety lamp the ancestor of all modern oil safety lamps. George Stephenson came from a mining family and by 1804 had secured the post of brakesman at Killingworth colliery. He was present at both the 1806 and 1809 explosions in the pit. By 1810, he was engineman and responsible for machinery both above and below ground. The pit was a gassy pit and Stephenson took the lead in work to extinguish a fire in 1814. For some years prior to 1815 he had been experimenting on the "blowers" or fissures from which gas erupted. He reasoned that a lamp in a chimney