Juan José Elhuyar

Juan José Elhuyar
Born	15 June 1754 Logroño
Died	20 September 1796 (age 42) Santafé de Bogotá, New Granada
Nationality	Spanish
Fields	chemistry mineralogy
Known for	tungsten

Juan José Elhuyar Lubize (15 June 1754 – 20 September 1796) was a Spanish chemist and mineralogist, who is 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 in Colombia at 42.

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