He was a civili engineer, started digging for a wine cellar and carried on digging: https://en.wikipedia.org/wiki/William_Lyttle https://en.wikipedia.org/wiki/

He was a civili engineer, started digging for a wine cellar and carried on digging: https://en.wikipedia.org/wiki/William_Lyttle https://en.wikipedia.org/wiki/William_Lyttle There was also the sixties (racist) film Battle Beneath the Earth, tapping into the digging fascination.