N.B

By missnicholls2016

  • discoveries caffeine

    Pierre Jean Robiquet discoveries caffeine

  • discovered cocoa powder.

    discovered cocoa powder.
    Coenraad Johannes van Houten discovered cocoa powder.

  • Bunsen burner.

    Bunsen burner.
    Robert Bunsen invented the aptly named Bunsen burner.

  • periodic table of elements.

    periodic table of elements.
    Dmitri Mendeleev is credited with publishing the periodic table of elements.

  • invented plastic.

    Leo Hendrik Baekeland invented plastic.

  • solar panel.

    solar panel.
    Giacomo Luigi Ciamician is the father of solar panel.