Hess n 1: English pianist (1890-1965) [syn: {Hess}, {Dame Myra Hess}] 2: Swiss physiologist noted for studies of the brain (1881-1973) [syn: {Hess}, {Walter Hess}, {Walter Rudolf Hess}] 3: Nazi leader who in 1941 flew a solo flight to Scotland in an apparent attempt to negotiate a peace treaty with Great Britain but was imprisoned for life (1894-1987) [syn: {Hess}, {Rudolf Hess}, {Walther Richard Rudolf Hess}] 4: United States physicist (born in Austria) who was a discoverer of cosmic radiation (1883-1964) [syn: {Hess}, {Victor Hess}, {Victor Franz Hess}]