Paul Rosenberg was a French

French people

The French are a nation that share a common French culture and speak the French language as a mother tongue. Historically, the French population are descended from peoples of Celtic, Latin and Germanic origin, and are today a mixture of several ethnic groups...

 art dealer

Art dealer

An art dealer is a person or company that buys and sells works of art. Art dealers' professional associations serve to set high standards for accreditation or membership and to support art exhibitions and shows.-Role:...

, renowned for representing Pablo Picasso

Pablo Picasso

Pablo Diego José Francisco de Paula Juan Nepomuceno María de los Remedios Cipriano de la Santísima Trinidad Ruiz y Picasso known as Pablo Ruiz Picasso was a Spanish expatriate painter, sculptor, printmaker, ceramicist, and stage designer, one of the greatest and most influential artists of the...

, Braque, and Henri Matisse

Henri Matisse

Henri Matisse was a French artist, known for his use of colour and his fluid and original draughtsmanship. He was a draughtsman, printmaker, and sculptor, but is known primarily as a painter...

.

He started his career in France in his father's antiques business. He opened an art gallery at 21 rue de la Boétie in Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 in 1911 and another in England in 1935. He moved in 1940 to the United States, where he opened an art gallery in New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

. He died in Paris.

His granddaughter and heiress is Anne Sinclair

Anne Sinclair

Anne Sinclair is a French television and radio interviewer who hosted one of the most popular political shows for more than thirteen years on TF1, the largest European private TV channel. She is heiress to much of the fortune of her maternal grandfather, Paul Rosenberg...

, host of political shows and wife of Dominique Strauss-Kahn

Dominique Strauss-Kahn

Dominique Gaston André Strauss-Kahn , often referred to in the media, and by himself, as DSK, is a French economist, lawyer, politician, and member of the French Socialist Party...

.