Gervase of Canterbury Chronicle.jpg (IMAGE) Durham University Caption Extract from the Chronicle of Gervase of Canterbury where the medieval monk describes the ball lightning phenomenon. This is the earliest known description of ball lightning in England to have been found. Credit The Master and Fellows of Trinity College, Cambridge. Reference: Cambridge, Trinity College, MS R.4.11, p.324. Usage Restrictions Must be credited as in the credit information provided. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.