Pierre Francois Eugene Giraud painted Gustave Flaubert vers in 1856 Leo Gestel Leo Gestel (11 November 1881, Woerden- 26 November 1941, Hilversum) was a Dutch painter. His father Willem Gestel was also an artist. Leo Gestel experimented with cubism, expressionism, futurism and postimpressionism. Along with Piet Mondrian he was among the leading artists of Dutch modernism.