Jean Dewasne was a French painter, sculptor, and lithographer who is considered one of the masters of constructive abstraction. He was born in Lille, France in 1921 and died in Paris in 1999.

Dewasne began his artistic career as a musician, but he switched to painting at the age of 12. He studied architecture for two years, but he eventually abandoned his studies to devote himself to painting full-time. In 1941, he had his first solo exhibition.

Dewasne's early paintings were influenced by Cubism and Surrealism. However, he soon developed his own unique style, which is characterized by its geometric forms and vibrant colors. His paintings often explore the relationship between space and movement.

Dewasne was a prolific artist and produced a wide range of works, including paintings, sculptures, prints, and murals. His work is represented in major museums around the world, including the Museum of Modern Art in New York City, the Centre Pompidou in Paris, and the Tate Modern in London.

Some of Dewasne's most famous works include "Fresque monumentale" (1955), "Europe Clash" (1958), and "Object in Action, opus 115" (1968). He was also a member of the Abstraction-Création group, which was founded in 1931 by Jean Arp, Sophie Taeuber-Arp, and others.

Dewasne was a major figure in the development of abstract art in the 20th century. His work is characterized by its originality, dynamism, and bold use of color. He is considered one of the most important French artists of his generation.