William Procter was a British-born American candle maker and soap manufacturer, best known for co-founding the Procter & Gamble company in 1837. He was born in 1801 in England and immigrated to the United States, where he partnered with his brother-in-law, James Gamble, to create a successful business that would grow into one of the largest consumer goods companies in the world. Procter & Gamble initially focused on producing high-quality candles and soaps, which were in high demand during that era. Over the years, the company expanded its product line to include various household and personal care items, becoming a household name and a leader in the consumer goods industry.