Adolph Freiherr Knigge

Adolph Freiherr Knigge was an 18th-century German philosopher and social reformer, best known for his work on etiquette and social behavior, particularly his book 'Über den Umgang mit Menschen.' His ideas on manners and social conduct have made his name synonymous with etiquette, although he faced challenges in gaining acceptance within the aristocracy of his time.