He succeeded in isolating the gas , which he called inflammable air from marshlands , in 1778 .
In 1776 , the Italian physicist Alessandro Volta first discovered methane in the marshlands of Angera while on his summer holidays .
physicist succeeded in isolating the gas , which physicist called inflammable air from marshlands , in 1778 .
In 1776 , the Italian physicist Alessandro Volta first discovered methane in the marshlands of Angera while on his summer holidays .