Sociedad Minera y Metalúrgica de Peñarroya, usually abbreviated as SMMP, was a French-owned multinational mining company that operated between 1881 and 1989. During its existence it had an important p

Humbert de Wendel was a French steelmaker who came from a long line of Lorrainian industrialists. He and his brother François de Wendel were among the leaders of the French steel industry from before