This name derives from Old High German name “Hariwini”, composed of two elements: “*harjaz” (army) and “*-winiz” (friend). The name is also linked to the Old English name “Eoforwine” composed of two elements: “eofor” (wild boar) plus “wine” (friend). 1) Erwin Rommel (1891–1944) was a German general and military theorist. Popularly known as the Desert Fox, he served as field marshal in the Wehrmacht of Nazi Germany during World War II. 2) Erwin Schrödinger (1887–1961) was an Austrian physicist who developed a number of fundamental results in the field of quantum theory, which formed the basis of wave mechanics: he formulated the wave equation (stationary and time-dependent Schrödinger equation) and revealed the identity of his development of the formalism and matrix mechanics.