As a journalist he was famous for getting at the truth behind the Dreyfuss Affair.

He called the case "America's Dreyfuss affair."

The Dreyfuss Affair (1894), although professional comparisons exonerating Dreyfuss were ignored.

He argues that in order to understand the current situation of French policies in relation to this region, one must look back several decades to the Dreyfuss Affair, end of colonialism, Vichy France and their relations with Iran.

Joan Rosenbaum, director of the Jewish Museum in New York, said that finding art through other disciplines, such as social history, has opened many possibilities at her museum, where a recent exhibition was of art made during the Dreyfuss affair in France.