After a promisingly Realist start at the age of just 17, he progressed through Impressionist style and became a Divisionist in 1887-88.
In the last decade of his career, he visited Venice twice and painted it extensively. He also turned more to watercolours.
A pupil of Carol’s-Duran, he switched to Divisionism/Pointillism in 1891, when Georges Seurat died. Early paintings are gentle and delicate before he turned the chroma up.
Pointillist oil paintings from the last 15 years of his life, when he mainly painted watercolours. These concentrate on ports and bridges of Paris.
He almost stopped painting in oils from 1910 until the end of the war. But his few works continued to develop his Neo-Impressionist style.
The River Seine at Samois, near Fontainebleau, including a steamboat, the River Verdon flowing through the gorge at Castellane, and Mirabeau Bridge in Paris.
In addition to painting one of the major Neo-Impressionist masterpieces showing poplar trees, he built a series of Post-Impressionist pines-beach-bathers of distinction.
From his first influence by Impressionism, van Rysselberghe explored a world of vivid light and colour, painting some of the most distinctive works of the late nineteenth and early twentieth centuries.