Fausto Elhuyar
Fausto Elhuyar (1755–1833) was a Spanish chemist born at Logroño. After studying in Paris with his brother Juan José, he taught mineralogy at Vergara in the Royal Basque Society, and in 1783 the two brothers first isolated tungsten there. In 1786 he was appointed director of mines in New Spain.
He settled in Mexico City and became the first director of the School of Mines founded in 1792, and also built the Palace of Mining. After Mexico's independence he returned to Spain, became minister of mines in 1822 and died in Madrid in 1833.