Teacher:In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Teacher: Now, understand the problem? Solve this instance: He extended the differential geometry of 2D surfaces, developed by his teacher Gauss, generalizing the concept of metrics and geodesics. Thus, in 1854, he almost stumbled on general relativity. He gave his name to the extension of Cauchy's equations in complex analysis and a curvature tensor which contracts to the Ricci tensor. For ten points, what German discovered the zeta function.
Student:
Science