Bovril |
Johnston worked for the family firm Bovril Ltd from 1955 to 1971, and has been a fine art dealer in watercolours of the 18th, 19th and 20th centuries since 1971.
Luke was the second son of John Lawson Johnston, a beef manufacturer and the founder of Bovril Ltd and Elizabeth, daughter of George Lawson, biscuit manufacturer of Edinburgh.
It was resurveyed in 1935–36 by the British Graham Land Expedition and later named for George Lawson Johnston, 1st Baron Luke of Pavenham, Chairman of Bovril Ltd, who contributed toward the cost of the expedition.
He followed his father in business, being Chairman of Bovril Ltd and the Argentine Estates of Bovril, Virol Ltd and Electrolux Ltd.