3) Carl Scheele

The Swedish pharmacist Carl Scheele is an explorer of many chemical elements. It is true that Carl Scheele was behind the scenes, but it was indeed true that Carl Scheele was given the right of his discoveries. Our scientists have an interesting study technique. It is to taste the chemicals it works. The cause of death was to taste Hydrogen Cyanide.

4) Sir David Brewster

Sir David Brewster worked on optical and light polarization. As a result of his work, he discovers the Kaleidoscope and is called the asla Father of Optics bir by the world of science.