Sirkku Kumela-Lehtonen (1933-2025) was a talented and versatile designer who left a lasting impression on the Finnish glass industry during her long career at Riihimäki Glass. Joining the company in the 1950s, she was known for her ability to harmonize traditional aesthetics with the emerging modern trends of the era. Her designs often featured graceful, flowing lines and a practical elegance that made her tableware and decorative objects staples in Finnish households for decades. Her work remains a testament to the high level of craftsmanship and artistic integrity that defined the legendary Riihimäki era.