Frank Duckworth
- He was one of the English statisticians to invent the Duckworth-Lewis-Stern (DLS) method for determining cricket match results under rain-affected conditions.
- The method was devised by Frank Duckworth and Tony Lewis, and was formerly known as the Duckworth–Lewis method (D/L). After the retirement of both Duckworth and Lewis, the Australian statistician Steven Stern became the custodian of the method, which was renamed to its current title in November ....

