Alexander Radó

Alexander Radó (also Alexander Radolfi, Sándor Kálmán Reich, Alexander Rado; born Sándor Radó, Hungarian: [ˈʃaːndor ˈrɒdoː]; 5 November 1899 – 20 August 1981) was a Hungarian cartographer who later became a Soviet military intelligence-agent in World War II. Radó (codename "DORA") was also a member of the resistance (German: Widerstandskämpfer) to Nazi Germany, devoted to the service of the so-called Red Orchestra, the Soviet espionage and spy network in Western Europe between 1933 and 1945. Within the Red Orchestra, he headed the Switzerland-based Red Three group, one of the most efficient components of the Soviet intelligence network.