Complex sentence: Lewis Henry'Lou' Moore (12 September 1904 Hinton, Oklahoma--25 March 1956 Atlanta, Georgia) was an American racecar driver, most known during his career for qualifying for the pole position of the 1932 Indianapolis 500.
Split into simpler sentences: Lewis Henry'Lou' Moore (12 September 1904 Hinton, Oklahoma--25 March 1956 Atlanta, Georgia) was an American racecar driver. He was most known during his racing career for qualifying for the pole position of the 1932 Indianapolis 500.