Complex sentence: Charles Edward Spearman (september 10 1863-september 7 1945) was an English psychologistknown for work in statistics, as a pioneer of factor analysis, and for Spearman's rank correlation coefficient.
Split into simpler sentences: Charles Edward Spearman (september 10 1863-september 7 1945) was an English psychologist. He is known for work in statistics, as a pioneer of factor analysis, and for Spearman's rank correlation coefficient.