Jeanne Antoinette Poisson, also known as Madame de Pompadour, was a prominent figure in 18th-century France. She was the official chief mistress of King Louis XV and wielded significant influence at the French court. Pompadour was known for her intelligence, wit, and patronage of the arts. She played a key role in promoting the Rococo style and supported many artists and writers of the time. Madame de Pompadour is remembered as a powerful and influential woman who left a lasting impact on French culture and society.