There are many people in history who stepped in diverse spectrum of knowledge. Among them, one significant name is Dr. Atul Sur. He was born in 1904 and has a keen interest in subjects like history, anthropology, sociology and others. His writings like 'Devloker Jaunajivan', 'Bangalir Nritatwik Porichoy', 'Bharoter Bibaher Itihash' and others depicted a fine description of anthropological genesis of social caste. Source of prejudices, rituals and lifestyle has been breakdown in his work in a way that makes it understandable to the first time readers also. His writings started many controversies as it rationally breakdown the ancient myths and spirituality but Atul Sur stands for his opinion. It can be concluded that his knowledge in his area gave him the confidence to speak out his mind despite of all the obstacles.