Complex sentence: Kenelm Edward Lee Guinness MBE (14 August 1887-10 April 1937) was an Irish-born racing driver of the 1910s-1920s; also an automotive engineer, he invented and manufactured the KLG spark plug.
Split into simpler sentences: Kenelm Edward Lee Guinness MBE (14 August 1887-10 April 1937) was an Irish-born racing driver of the 1910s and 1920s. Also an automotive engineer, he invented and manufactured the KLG spark plug.