Karel Reijnders, often known as Karel Relink, was a Dutch artist, but there seems to be a bit of confusion regarding this name as there is no widely recognized artist by this exact name in the historical records up until my last update. However, it's possible that there might be a mix-up with the names of other artists or that Karel Relink was a lesser-known or regional artist whose works and life didn't make it into widely circulated art history texts.
Given the lack of specific information on Karel Relink, I will provide a general overview of the art scene in the Netherlands during the period that a person with his birth and death dates would have been active. The early 20th century in the Netherlands was a time of significant artistic development and innovation. This period saw the rise of various art movements such as De Stijl, founded in 1917 by Piet Mondrian and Theo van Doesburg, which emphasized an abstract, minimalist aesthetic and had a profound impact on the development of modern art.
During the mid-20th century, after World War II, Dutch art reflected the broader movements of European and American art, with influences from Abstract Expressionism, CoBrA—an avant-garde movement named after the cities Copenhagen, Brussels, and Amsterdam—and later, conceptual art and other postmodern developments.
If Karel Relink was indeed an artist, he may have been involved with one or more of these movements, reflecting the dynamic changes in the art world throughout his lifetime. His work, if it followed the trends of the time, might have ranged from figurative and expressionist styles early in his career to more abstract and conceptual works later on.
Unfortunately, without specific details, it is difficult to provide an accurate biography or to assess the contributions that Karel Relink may have made to the art world. It's also possible that further information could be available in Dutch language sources or regional archives that have yet to be digitized or widely disseminated. Art historians continually discover and reassess artists' lives and works, so the story of Karel Relink may yet emerge more fully in the future.