Devolution is the. a. passing of authority from the national government to the state and local levels. b. expansion of national authority that began in the 1930s. c. contraction of state authority and the expansion of local government authority.
Hello, There you go. The French chemist Paul-Emile Lecoq de Boisbaudran (1838â1912), who discovered it in 1875. Gallium (Latin Gallia meaning Gaul; also gallus, meaning rooster) was discovered spectroscopically by Lecoq de Boisbaudran in 1875 by its characteristic spectrum (two violet lines) in an examination of a zinc blende from the Pyrenees.
These x-ray experiments got him the first Nobel Peace Prize in Physics, and he was so influential that they named element 111, which is called roentgenium, after him. He died in Munich from a carcinoma of the intestine on February 10, 1923. Wilhelm was studying something different when he discovered the x-ray.