Ratan Shanker Mishra (1918 – ?). Professor and Head of the Department of
Mathematics at Gorakhpur and Allahabad from 1958 – 1963, and from 1963 – 1968. Head of the Department
of Mathematics and Statistics at Banaras Hindu University in Varanasi since 1968. He has been a visiting
professor in many countries, and worked and published with V. Hlavatý at Indiana University. His
interests are well characterized by the title of his book Structures in a Differentiable Manifold (1978).