Dumitru Prunariu and Ernst Messerschmid, have which occupation in common?
Dumitru Prunariu: Dumitru-Dorin Prunariu (] ; born 27 September 1952) is a Romanian cosmonaut. Ernst Messerschmid: Prof. Dr. Ernst Willi Messerschmid (born May 21, 1945) is a German physicist and former astronaut.
astronaut