Complex sentence: Edward A. Clampitt (1868--1919) was a pioneer oilman in Los Angeles, California, at the turn of the 19th and 20th centuries and a member of the Los Angeles City Council.
Split into simpler sentences: Edward A. Clampitt (1868--1919) was a pioneer oilman in Los Angeles, California, at the turn of the 19th--20th centuries. He was also an elected a member of the Los Angeles City Council.