From 1986 to 1987 David worked as research student at Oxford University's Department of Atmospheric Physics, specifically working on the ozone hole and global warming.

BBC: Weather - David Braine - BBC South West

The team working on the restoration dug an exploratory hole in the internal floor of the mausoleum building.

BBC: Pentillie work may solve mystery of its original owner

Along with others, he began drilling a 2, 000 foot hole into the ground, working three or four days at a time with no sleep.

FORBES: Full Text: State Of The Union Address