Gustav Kirchhoff was the great Prussian scientist who, with Robert Bunsen, invented the spectroscope and used it to discover Caesium and Rubidium.
Gustav Kirchhoff died on October 17, 1887 at the age of 63.
he invented the spectro scope and discovered other materials
Gustav Kirchhoff was born on March 12, 1824 and died on October 17, 1887. Gustav Kirchhoff would have been 63 years old at the time of death or 188 years old today.