Naum Katsenelson (1933-2023) Naum Katsenelson embodied the rare integration of scientific precision and artistic sensitivity throughout his remarkable life. Discovering his passion for art at age ten in Russia, his early talent led to exhibitions across Moscow and internationally during his teenage years. While pursuing formal art training under prestigious Soviet masters, Katsenelson simultaneously built an accomplished academic career, earning a PhD in electrical engineering and serving as a respected professor at Murmansk Marine Academy for 27 years. Throughout his scientific tenure, Katsenelson maintained his artistic practice, exhibiting throughout the Soviet Union and internationally in Finland and Japan, though never commercially selling his work during this period. The pivotal year 1991 marked his emigration to Denver, Colorado at age 58, where he fully embraced his lifelong artistic calling, becoming both a working artist and dedicated teacher. Katsenelson's work, primarily in oil and watercolor with occasional pastels, expressed an impressionistic style characterized by loose brushwork, soft textures, and a masterful capture of light and atmosphere. His diverse subject matter reflected his extensive travels—from Russian landscapes and Colorado scenery to European cityscapes including Venice, Paris, and Madrid. He also created still lifes, figurative works, and at least one symbolic painting addressing his emigration experience.His artistic philosophy centered on perceiving beauty in everyday surroundings and painting with personal integrity rather than following market trends. This perspective informed his teaching, where he guided students to "see the world through the lens of art" while studying techniques of historical masters. After emigrating, Katsenelson actively participated in the American art community, joining organizations including the Colorado Watercolor Society and exhibiting in prestigious shows like the Rocky Mountain National Watermedia exhibition. His work earned national and international recognition and entered museum and private collections across multiple countries including Japan, Finland, the United States, Ukraine, Estonia, Israel, and Russia. Even at an advanced age, Katsenelson pursued continued artistic growth through master classes and challenged himself by studying English in his late 70s. His legacy extends beyond his paintings to encompass his influence as an educator and his embodiment of the renaissance ideal—a man who approached the world with both scientific precision and artistic sensitivity until his passing in 2023.