Grenville Thomas

Swansea born Grenville Thomas is one of the world’s most accomplished mining engineers, and foremost discoverers of mineral wealth.

After graduating from Cardiff University in 1964, he went to Yellowknife, Canada, where he founded the “Aber Diamond Corporation” named after Abertawe. After his discovery of the Diavik Mine, Canada became the world’s third biggest diamond exporter. In 2009 was one of four individuals inducted into the Canadian Mining Hall of Fame