The artist Karel Zelenko is present in various fields of artistic creation – as he gathered his knowledge from the giants of Slovenian art. He graduated from the department of sculpture under Boris Kalin, completed a specialization in graphics under Božidar Jakac and continued his studies under Gabriel Stupica, where he also completed painting. In addition to the above, he is also popular as an illustrator and designer of ceramics and ceramic jewelry. The artist Karel Zelenko is present in various fields of artistic creation – as he gathered his knowledge from the giants of Slovenian art. He graduated from the department of sculpture under Boris Kalin, completed a specialization in graphics under Božidar Jakac and continued his studies under Gabriel Stupica, where he also completed painting.