He has worked for many years in probability theory and I suggest that he is best known for his work with Markov chains.
There are many. From the Bible there are people like Noah and David. Missionaries like David Livingstone or William Carey.
William David Evans died in 1821.
David William Evans was born on 1866-11-04.
David William Dye died in 1932.
David William Dye was born in 1887.
William David Owen was born in 1874.
David William died on 2010-07-28.
David William Pyke was born in 1969.
David William Bacon died in 1874.
David William Bacon was born in 1813.
David William Brewer was born in 1940.
William David McPherson was born in 1863.