Frank Duckworth, Innovator Behind DLS Method, Dies at Age 84

Frank Duckworth the co-creator of the DLS Method very common in cricket, passed away at the age of 84 on 21st June, Friday. He invented Duckworth-Lewis-Stern (DLS) with Tony Lewis.


The DLS Method also known as Duckworth-Lewis-Stern is an important and common part of today’s cricket, that is mainly used for the game that gets affected by the weather.

When Duckworth and Tony Lewis devised it, it was first called the Duckworth-Lewis (DL) technique, and it was applied in international cricket in 1997. But in 2014, after Duckworth and Lewis retired and Australian statistician Steven Stern made modifications to the approach, it was dubbed the Duckworth-Lewis-Stern method.

In recognition of his contributions to the game, Duckworth was named a Member of the Order of the British Empire (MBE) in 2010 and worked as a consultant statistician for the International Cricket Council (ICC) until 2014.

Before the DL technique, objectives in postponed games—such as the notorious 1992 ODI World Cup semifinal in Sydney between South Africa and England—were determined using the rain rule.

“Frank was a top statistician who was respected by peers as well as the wider cricket fraternity,” In a statement, Wasim Khan, General Manager of Cricket Operations at the ICC, said.

“The DLS method that he co-created has stood the test of time and we have continued to use it in international cricket more than two decades after its inception.

“Frank’s contribution to the game has been immense and the world of cricket is poorer with his death.

“We send our condolences to his family and friends.

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