Élisabeth Celnart was a French author best known for her work "Gentleman and Lady's Book of Politeness and Propriety of Deportment," published in the early 19th century. This book served as a guide to etiquette and social conduct, reflecting the values and norms of the time. Celnart's writing provided insights into the expectations of behavior for both men and women in polite society, emphasizing the importance of manners and decorum in social interactions. Celnart's contributions are significant in the context of the social and cultural landscape of her era, as her work not only addressed the intricacies of social etiquette but also highlighted the evolving roles of gender in society. By articulating the standards of politeness, she played a role in shaping the discourse around civility and propriety during a period of considerable social change in France. Although not widely known today, her work remains a valuable resource for understanding the social mores of her time and the historical context of etiquette literature.