Victor Horta was a Belgian architect who is considered one of the founders of Art Nouveau. He is best known for his design of the Hôtel Tassel in Brussels, which is considered to be the first Art Nouveau building.

Geometric patterns are not a characteristic of Art Nouveau style. Art Nouveau is characterized by its use of asymmetrical lines, naturalistic motifs, and bright colors.

Hector Guimard was a French architect who is best known for his design of the Art Nouveau entrance to the Paris Métro. His design is characterized by its use of flowing lines and naturalistic motifs.

Henri Matisse was not associated with the Art Nouveau movement. He was a French artist who is best known for his work in the Fauvism movement.

Louis Sullivan was an American architect who is considered one of the pioneers of the Art Nouveau style in the United States. He is best known for his design of the Wainwright Building in St. Louis, Missouri.

Cut glass is not a type of Art Nouveau glass. Art Nouveau glass is characterized by its use of Favrile glass, iridescent glass, and stained glass.

Antoni Gaudí was a Spanish architect who is best known for his design of the Sagrada Família church in Barcelona. His work is characterized by its use of organic forms and naturalistic motifs.

Geometric patterns are not a characteristic of Art Nouveau jewelry. Art Nouveau jewelry is characterized by its use of asymmetrical designs, naturalistic motifs, and bright colors.

Charles Rennie Mackintosh was a Scottish architect who is best known for his design of the Glasgow School of Art. His work is characterized by its use of simple lines and geometric forms.

Upholstered furniture is not a type of Art Nouveau furniture. Art Nouveau furniture is characterized by its use of bentwood, inlaid furniture, and carved furniture.

Gustav Klimt was an Austrian artist who is best known for his paintings of women in flowing robes. His work is characterized by its use of gold leaf and intricate patterns.

Classical elements are not a characteristic of Art Nouveau architecture. Art Nouveau architecture is characterized by its use of asymmetrical lines, naturalistic motifs, and geometric patterns.

Aubrey Beardsley was a French artist who is best known for his Art Nouveau posters. His work is characterized by its use of black and white lines and intricate patterns.

Knitted textiles are not a type of Art Nouveau textile. Art Nouveau textiles are characterized by their use of printed textiles, woven textiles, and embroidered textiles.

Clara Driscoll was an American artist who is best known for her Art Nouveau jewelry. Her work is characterized by its use of semi-precious stones and intricate metalwork.