Juan José Elhuyar

Juan José Elhuyar
Born15 June 1754
Died20 September 1796 (age 42)
NationalitySpanish
Known forTungsten
Scientific career
FieldsChemistry
Mineralogy

Juan José Elhuyar Lubize (15 June 1754 20 September 1796) was a Spanish chemist and mineralogist, who was best known for being first to isolate tungsten with his brother Fausto Elhuyar in 1783.

He was born in Logroño, in northern Spain and died in Santafé de Bogotá, New Granada (present-day Colombia) at 42.