Juan, Don George

, a learned Spanish mathematician, knight of Malta, and commander of the band of gentlemen marine guards, was chosen, with Ulloa, to attend the French academicians, who went to Peru', for the purpose of measuring a degree on the meridian, in order to determine the earth’s figure. They embarked May 26, 1735. Ulloa undertook the historical part of the voyage, which appeared translated into French, Amsterdam, 1752, 2 vols. 4to; and D. George Juan the astronomical part, who accordingly published a large work on the earth’s figure, printed in Spanish. On his return he went to Paris, 171 | where the academy of sciences admitted him a member. He died at Madrid, 1773, leaving several works in Spanish on naval affairs, a translation of which would be useful. 1


Dict. Hist. Cyclopædia, art. Decree.