Complex sentence: William Sealy Gosset (June 13,1876--October 16,1937) is famous as a statistician, best known by his pen name "Student" and for his work on Student's t-distribution.
Split into simpler sentences: William Sealy Gosset (June 13,1876--October 16,1937) was a statistician. He published under the pen name "Student", and developed the Student's t-distribution.