Nicolas Leblanc
Nicolas Leblanc ( 6 December 1742 – 16 January 1806 ) was a French chemist and surgeon who discovered how to manufacture soda ash from common salt . 
<triplet> Nicolas Leblanc <subj> 6 December 1742 <obj> date of birth <subj> 16 January 1806 <obj> date of death <subj> chemist <obj> occupation