<P> During his lifetime , Priestley 's considerable scientific reputation rested on his invention of soda water , his writings on electricity , and his discovery of several `` airs '' ( gases ) , the most famous being what Priestley dubbed `` dephlogisticated air '' ( oxygen ) . However , Priestley 's determination to defend phlogiston theory and to reject what would become the chemical revolution eventually left him isolated within the scientific community . </P>
<P> During his lifetime , Priestley 's considerable scientific reputation rested on his invention of soda water , his writings on electricity , and his discovery of several `` airs '' ( gases ) , the most famous being what Priestley dubbed `` dephlogisticated air '' ( oxygen ) . However , Priestley 's determination to defend phlogiston theory and to reject what would become the chemical revolution eventually left him isolated within the scientific community . </P>
who discovered that air is made up of several gases
who discovered that air is made up of several gases
Priestley
Priestley