Erich Hans Rothe (July 21, 1895, Berlin – February 19, 1988, Ann Arbor, Michigan) was a German-born American mathematician, who did research in mathematical analysis, differential equations, integral equations, and mathematical physics.[1][2] He is known for the Rothe method (also known as the method of lines or the method of semidiscretization) used for solving evolution equations.[3][4]