Bunsen
Bunsen, Robert. 1811-99. German chemist, perfected bunsen burner. Discovered Caesium, Rubidium 1860. Spectroscopy 1859. Kirchhoff.
Bunsen, Robert. 1811-99. German chemist, perfected bunsen burner. Discovered Caesium, Rubidium 1860. Spectroscopy 1859. Kirchhoff.