John Arnold
John Arnold was a prominent English watchmaker in the 18th century, renowned for his innovations in horology, particularly the invention of the detent escapement. He was a key figure in the development of precision timekeeping and had a notable friendship with the famous watchmaker Abraham-Louis Breguet, influencing the design and functionality of timepieces during his era.
Not in the pool (under ¢1).
Recent news mentions
John Arnold, co-chair of Arnold Ventures, estimated that the dividend payments could cost as much as $513bn.
Trump weighs giving Americans $2,000 from tariff revenues in bid for support | Trump tariffs
United Kingdom· 2025-11-09
John Arnold is a senior professor of Sports and Exercise Biomechanics at the University of South Australia.
Um 'super tênis’ de corrida pode te deixar mais rápido de fato?
Brazil· 2025-11-04
John Arnold is a senior professor of Sports and Exercise Biomechanics at the University of South Australia.
Um 'super tênis’ de corrida pode te deixar mais rápido de fato?Brazil· 2025-11-04John Arnold is a former Wall Street energy trader who has donated over $2 billion as part of The Giving Pledge.
Casal dos EUA doa mais de US$ 2 bi e vem cumprindo promessa de se desfazer de metade da fortuna
Liechtenstein· 2025-10-31
John Arnold is the founder of Arnold & Son and a friend of Abraham-Louis Breguet.
WATCHOUT：TAKE YOUR TIME Weekend展覽 展出珍貴藏品 以表會友 - 20250625 - 副刊 - 每日明報
Hong Kong· 2025-06-24
