Jerónimo de Ayanz y Beaumont
Jerónimo de Ayanz y Beaumont (1553 – March 23, 1613 AD) was a Spanish soldier, painter, astronomer, musician and inventor. He was born in Guendulain (Navarre). He is best remembered for the invention of the first steam-powered water pump for draining mines, for which he was granted a patent by the Spanish monarchy in 1606. He also improved scientific equipment, windmills and developed new types of furnaces for industrial, military and household use. He invented a bell-like diving suit and designed a submarine. He died from an illness in Madrid, in 1613. Jerónimo de