Question: Born in 1926 and considered to be one of Denmark's most influential 20th-century furniture and interior designers, who is this designer that developed an S-shaped plastic chair and presented it in the 2006 Danish Culture Canon?

Context paragraphs:
Jens Ferdinand Willumsen: Jens Ferdinand Willumsen (Copenhagen, 7 September 1863 – Cannes, 4 April 1958) was a Danish artist who was associated with the movements of Symbolism and Expressionism.  Although he was Danish, Willumsen lived almost half of his life in France.  Besides painting, Willumsen had interests in sculpture, architecture, ceramics, and photography, and was an accomplished engraver.  His sculpture "The Great Relief" (completed 1928) was included in the 2006 Danish Culture Canon as one of Denmark's cultural masterpieces.

Panton Chair: The Panton Chair (Danish: "Pantonstolen" ) is an S-shaped plastic chair created by the Danish designer Verner Panton in the 1960s.  The world's first moulded plastic chair, it is considered to be one of the masterpieces of Danish design.  The chair was included in the 2006 Danish Culture Canon.

The Great Relief: The Great Relief (Danish: "Det Store Relief" ) is a sculpture by the Danish artist J.F. Willumsen completed in 1928.  Consisting mainly of marble and gilt bronze, it was included in the 2006 Danish Culture Canon as a masterpiece of Danish culture.

L. A. Ring: Laurits Andersen Ring (Danish: ) (15 August 1854 – 10 September 1933) was one of the foremost Danish painters of the turn of the 20th century, who pioneered both symbolism and social realism in Denmark.  Considered one of the masterpieces of Danish culture, his painting "Summer Day by Roskilde Fjord" was included in the 2006 Danish Culture Canon.

Glorup Manor: Glorup is a manor house located between Nyborg and Svendborg in the south-east of the Danish island Funen.  Rebuilt to the design of Nicolas-Henri Jardin and his pupil Christian Josef Zuber in 1763–65, it is considered one of the finest Baroque complexes in Denmark and was included in the 2006 Danish Culture Canon.

Støvkornenes dans i solstrålerne: Støvkornenes dans i solstrålerne (Dust Motes Dancing in Sunbeams), also Solstråler (Sunbeams), is an oil painting from 1900 by the Danish Symbolist painter Vilhelm Hammershøi.  Considered to be one of the masterpieces of Danish culture, it was included in the 2006 Danish Culture Canon.

Standing Woman (Noack): Standing Woman (Danish: Stående kvinde ) is a teak sculpture by the Danish sculptor Astrid Noack completed in 1943.  Considered to be one of the masterpieces of Danish culture, it was included in the 2006 Danish Culture Canon.

Verner Panton: Verner Panton (13 February 1926 – 5 September 1998) is considered one of Denmark's most influential 20th-century furniture and interior designers.  During his career, he created innovative and futuristic designs in a variety of materials, especially plastics, and in vibrant and exotic colors.  His style was very "1960s" but regained popularity at the end of the 20th century; as of 2004, Panton's most well-known furniture models are still in production (at Vitra, among others).

Stalingrad (painting): Stalingrad is an oil painting by the Danish artist Asger Jorn depicting the futility of war.  Considered to be one of Denmark's artistic masterpieces, it was included in the 2006 Danish Culture Canon.  The canvas, 296 x 492 cm , now hangs in Museum Jorn, Silkeborg.

Sommerdag ved Roskilde Fjord: Sommerdag ved Roskilde Fjord (Summer Day by Roskilde Fjord) is an oil painting by the Danish artist L. A. Ring from 1900.  Considered to be one of the masterpieces of Danish culture, it was included in the 2006 Danish Culture Canon.

Supporting paragraphs: Panton Chair Verner Panton
Answer: Verner Panton