Chen Chien-an, an architectural worker and one of that first generation of children to be inspired by Chang Shih-tsung, recalls: "Many little children at that time were influenced by him. For them studying was not boring and unprofitable, and they could always learn contentedly." At senior high school Chen once won first prize in the school science exhibition, applying a principle learned from the "nine joined rings."
「當年許多小朋友都受到他的影響，不會把念書當成苦差事，可以自得其樂地研究」，在建築師事務所工作的陳建安曾是當年第一代的孩子之一，受到張世宗的啟迪，就讀中正高中時就以九連環的研究得到校內科學展第一名。