Complex sentence: It was developed by Scottish chemist Dr. James C. Crow, while he was working at the Old Oscar Pepper Distillery (now the Woodford Reserve Distillery) in Woodford County, Kentucky.
Split into simpler sentences: It was developed by Scottish chemist Dr. James C. Crow. He developed it working at the Old Oscar Pepper Distillery (now the Woodford Reserve Distillery) in Woodford County, Kentucky.