Emily Post and William Procter are two influential figures in the world of etiquette and business, respectively. Emily Post was an American author who wrote extensively on etiquette and manners, while William Procter was a co-founder of Procter & Gamble, one of the largest consumer goods companies in the world. Both Post and Procter have had a lasting impact on their respective fields, and their names are often used together to refer to the importance of etiquette and business acumen.