Jerónimo de Ayanz

Jerónimo de Ayanz was a Spanish polymath and inventor who lived in the 16th and 17th centuries. He was a mathematician, engineer, and scientist who made significant contributions to various fields, including physics, engineering, and mathematics. Ayanz is best known for inventing the first functional diving suit, which he designed and tested in 1602. He was also a courtier and served as a counselor to King Felipe III.