Hansjörg Beyeler was a Swiss art dealer and collector, known for his significant contributions to the art world. He co-founded the Beyeler Foundation in 1997, which houses an impressive collection of modern classics, including works by artists like Pablo Picasso and Henri Matisse. The foundation also serves as a museum, promoting art education and appreciation. Beyeler played a crucial role in the international art market, helping to establish the Art Basel fair as a leading platform for contemporary art. His keen eye for talent and dedication to promoting artists made him a respected figure among collectors and galleries alike.