François Zajdela

François Zajdela (by his full name François Zajdela Von Weiten Stein) (28 December 1920 – 15 November 2008) was a cancer researcher at the Curie Institute who specialised in the study of carcinogenesis. In the 1940s, he came to France with his brother Antoine, who later also worked at the Curie Institute, as a cytopathologist. His students included .

He married Renée Le Roy in 1951. They had six children. He was awarded the Ordre national du Mérite. He was also a man who loved languages, as he spoke six fluently: Slovene, French, English, Croatian, Russian, and German. He knew as well Portuguese, Italian, Spanish, Slovak, and Arabic. He was known to his neighbors as the "Photography Guy" as he owned more than 250000 Francs ($240,000) of photography material. He was also a man of art as he owned a painting from the School of Caravaggio (amongst others) estimated in 2006 at €16.5 million as having been drawn by Caravaggio himself. His illumination of bible passages was known across France and exposed at the Musée d'Orsay in 2001. They are currently owned by the Zajdela Family and estimated for a total of $400,000.