Until the mid-18th century, many ships were lost and wrecked at sea because they did not know where they were. They could usually tell their east-west latitude using simple instruments, but it was virtually impossible to tell their north-south longitude, and that was deadly. The best scientists couldn’t figure out a solution, but a simple, uneducated carpenter did by inventing the most accurate clock in the world.

Kirk Gulledge is a retired developer of retirement communities. He has a doctorate in gerontology from the University of North Texas and a continuing passion for travel and learning. He and his wife now live in Florida, but he was actively involved with OASIS while he lived in Albuquerque. The current presentation comes from a discovery he made while traveling recently in England.