John Harrison (24 March 1693 – 24 March 1776) was a self-educated English clockmaker. He invented the marine chronometer, a long-sought device in solving the problem of establishing the East-West position or longitude of a ship at sea, thus revolutionising and extending the possibility of safe long distance sea travel in the Age of Sail.
Pope Clement XIII (Venice, 7 March 1693 – 2 February 1769 in Rome), born Carlo della Torre di Rezzonico, was Pope from 16 July 1758 to 2 February 1769. He was born to a recently ennobled family of Venice, received a Jesuit education in Bologna and became a Cardinal-Deacon of San Nicola in Carcere in 1737.
James Bradley FRS (March 1693 – 13 July 1762) was an English astronomer the Astronomer Royal from 1742. Bradley is best known for two fundamental discoveries in astronomy, the aberration of light (1725–28), and the nutation of the Earth's axis (1728–48).
Johann Georg Walch (June 17, 1693 – January 13, 1775) was a German theologian. He was born at Meiningen, where his father, Georg Walch, was general superintendent. He studied at Leipzig and Jena, amongst his teachers being JF Buddeus, whose only daughter he married. He published in 1716 a work, Historia critica Latinae linguae, which soon came into wide use. Two years later he became professor extraordinarius of philosophy at Jena.
Jeremiah Markland (October 18 1693 - July 7, 1776), English classical scholar, was born at Childwall in Liverpool on the 29th (or 18th) of October 1693. He was educated at Christ's Hospital and Peterhouse, Cambridge. He died at Milton, near Dorking.
Count Alexey Petrovich Bestuzhev-Ryumin (June 1, 1693 – April 21, 1768), Grand Chancellor of Russia, was one of the most influential and successful European diplomats of the 18th century. He was chiefly responsible for Russian foreign policy during the reign of Empress Elizaveta Petrovna.
Ledum is a genus name formerly widely recognised in the family Ericaceae, including 8 species of evergreen shrubs native to cool temperate and subarctic regions of the Northern Hemisphere and commonly known as Labrador Tea. Recent genetic evidence has shown that the species previously treated in this genus are correctly placed in the genus Rhododendron, where they are now treated as Rhododendron subsect. Ledum.