Complex sentence: William Gemmell Cochran (15 July 1909, Rutherglen--29 March 1980, Orleans, Massachusetts) was a prominent statistician; he was born in Scotland but spent most of his life in the United States.
Split into simpler sentences: William Gemmell Cochran (15 July 1909, Rutherglen--29 March 1980, Orleans, Massachusetts) was a prominent statistician. He was born in Scotland but spent most of his life in the United States.