Who is the authors of guides to cordial behavior?

The concept of "guides to cordial behavior" is quite broad. It can encompass a range of texts, from etiquette manuals to philosophical treatises on social interaction. Therefore, there is no single author or group of authors who can be definitively credited with writing "guides to cordial behavior".

Here are some examples of people and texts that have contributed to the development of ideas about cordial behavior:

* Ancient philosophers: Socrates, Plato, Aristotle, and others wrote extensively on virtues, ethics, and social interactions, providing foundational principles for polite and respectful conduct.

* Medieval courtly love poets: Writers like Chrétien de Troyes and Marie de France shaped the ideals of chivalry and courtly manners, emphasizing courtesy, respect, and chivalry.

* Etiquette manuals: From the 17th century onwards, numerous books on etiquette and manners were published, offering specific rules and advice on proper social conduct. Notable examples include "The Book of Etiquette" by Emily Post and "Miss Manners' Guide to Excruciatingly Correct Behavior" by Judith Martin.

* Modern social commentators: Contemporary authors like Amy Vanderbilt, Letitia Baldrige, and Peggy Post continue to provide insights and updates on contemporary etiquette, adapting traditional norms to modern society.

It's important to recognize that "guides to cordial behavior" are not static but evolve over time, reflecting cultural changes and societal norms. Therefore, it's more accurate to think of a tradition of writers and thinkers who have contributed to our understanding of what constitutes appropriate social conduct.