Radhanath Sikdar was a remarkable figure in 19thcentury India, renowned for his contributions to both mathematics and surveying. Born in 1813 in British India, Sikdar displayed an exceptional aptitude for mathematics from a young age. He received his education at Hindu College, Calcutta, where he excelled in various subjects, particularly mathematics and science. His intellectual prowess led him to secure a position as a computer with the Great Trigonometrical Survey of India in 1831.

Within the Survey, Sikdar quickly rose through the ranks, demonstrating his skills in complex calculations and his dedication to accuracy. He played a crucial role in some of the Survey's most significant endeavors, including the measurement of the Himalayan peaks. While employed there, he also contributed to the development of barometric leveling techniques used for determining elevation. His expertise extended beyond practical application; he also possessed a deep understanding of theoretical mathematics and contributed articles to scholarly journals.

Beyond his professional life, Sikdar was known for his progressive social views and his commitment to education. He actively promoted scientific knowledge and critical thinking among his peers and the wider community. He was involved in various educational initiatives and sought to make knowledge accessible to all. Radhanath Sikdar's life exemplifies the fusion of intellectual brilliance, dedication to scientific advancement, and a commitment to social progress, leaving a lasting legacy in the fields of surveying and mathematics in India.