<p>In this week's episode, get to know John Harrison, and understand how his pioneering marine chronometers finally solved the famous longitude problem and ushered in a new age of navigation at sea. </p><p><br></p><hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>