Claude Monet, a French artist, is renowned for his series of paintings titled "Nymphéas" (Water Lilies), which depict the water lilies in his garden at Giverny.

Jean Dubuffet, a French artist, is widely regarded as the father of Abstract Expressionism in Europe. His works often incorporated unconventional materials and techniques.

Pierre Soulages, a French artist, is renowned for his distinctive calligraphic style of painting, characterized by bold, black lines and textured surfaces.

CoBrA, an avant-garde group of European artists formed in the 1950s, is known for their gestural and abstract paintings. The group's name is an acronym derived from the cities of Copenhagen, Brussels, and Amsterdam.

Georges Mathieu, a French artist, is credited with developing Tachisme, a style of painting characterized by spontaneous brushstrokes and dynamic compositions.

Impasto, a technique used by European Abstract Expressionists, involves applying thick layers of paint to create textured surfaces and add depth to their artworks.

Alberto Giacometti, a Swiss artist, is renowned for his series of paintings titled "The Hostages," which depict elongated and skeletal figures.

Fluxus, an international art movement that emerged in the 1960s, was characterized by a rejection of traditional artistic conventions and an emphasis on anti-art and performance art.

Paolo Uccello, an Italian artist, is renowned for his series of paintings titled "The Battle of San Romano," which depict a battle scene with horses and soldiers.

Nouveau Réalisme, a French art movement that emerged in the 1950s, was characterized by the use of found objects and everyday materials in artworks, often presented in a raw and unadorned manner.

Edvard Munch, a Norwegian artist, is renowned for his series of paintings titled "The Scream," which depict a figure with an anguished expression against a swirling sky.

Arte Povera, an Italian art movement that emerged in the 1960s, was characterized by the use of poor and humble materials in artworks, such as earth, wood, and rags.

Pablo Picasso, a Spanish artist, is renowned for his series of paintings titled "Les Demoiselles d'Avignon," which marked a significant shift towards Cubism.

Fluxus, an international art movement that emerged in the 1950s, was characterized by the use of chance and indeterminacy in artworks, often involving audience participation and performance.

Pablo Picasso, a Spanish artist, is renowned for his series of paintings titled "Guernica," which depicts the horrors of the Spanish Civil War.