Martín de Azpilcueta

|birth_place=Barásoain, Kingdom of Navarre, Crown of Castille|birth_date=13 December 1491|death_date=1 June 1586|death_place=Rome, Papal States|school_tradition=Thomism
School of Salamanca|influences=|influenced=|notable_ideas=Quantity theory of money|main_interests=|era=Renaissance philosophy|region=Western philosophy * Spanish philosophy}}

Martín de Azpilcueta (Azpilkueta in Basque) (13 December 1492 – 1 June 1586), or Doctor Navarrus, was an important Spanish canonist and theologian in his time, and an early economist who independently formulated the quantity theory of money in 1556. Provided by Wikipedia