Biography of Zhang Heng

This book is a popular historical biography for primary and secondary school students. It vividly and humorously narrates the extraordinary life of Zhang Heng, a scientific giant and literary master of the Eastern Han Dynasty. Avoiding dry historical materials, it traces Zhang Heng's complete life trajectory from his youth studies, deep academic pursuits, official career, to his later years, showcasing his diverse talents and noble character from multiple angles. The book details his achievements: in literature, he wrote masterpieces such as "Erjing Fu," "Sixuan Fu," and "Four Sorrow Poems"; in science, he delved into astronomy, calendars, mechanics, and seismology, improving the armillary sphere, inventing the seismoscope, studying the "Nine Paths Method," and compiling scientific works. Many of his achievements were centuries ahead of the world, making him one of the recognized founders of ancient Chinese science. The book balances knowledge, fun, and education, popularizing ancient astronomical and physical knowledge, interpreting the thinking methods of a top genius, and showcasing his virtues of upholding truth, caring for the country, and being indifferent to fame. It helps teenagers understand that true greatness stems from lifelong curiosity, perseverance, and responsibility.