Felice ______ was an Italian pharmacist, a maker of liquor and freedom fighter under Garibaldi. Born in Gerolanuova near Brescia, he established a chemical laboratory in Milano, developing a successful amaro made as an alcohol infusion of cinchona bark, herbs, and iron salts. The laboratory made the "l'esanofele", a chemical based on quinine, iron and arsenic to combat malaria.
Why is this person very important in an Indian context?