Sonderaktion Krakau was the codename for a Nazi German operation against professors and academics of the Jagiellonian University in Kraków, Poland, and other Kraków universities at the beginning of World War II. It was carried out as part of the much broader action plan, known as Intelligenzaktion, to eradicate the Polish intellectual elite especially in those centres (such as Kraków) that were slated by the Nazis to become culturally German.
Course of operation 
A little over two months after the German Invasion of Poland, the new chief of Gestapo in Kraków SS-Obersturmbannführer Bruno Müller, commanded Professor Tadeusz Lehr-Spławiński – then the University's rector, to require all professors to attend his lecture about German plans for Polish education. The rector agreed and sent an invitation throughout the university for a meeting scheduled at the administrative centre building in the Collegium Novum (entrance pictured). On November 6, 1939 at the lecture room no. 56 (or 66, sources vary) at noon, all academics and their guest gathered; among them, 105 professors and 33 lecturers from Jagiellonian University (UJ), 34 professors and doctors from University of Technology (AGH) some of whom attended a meeting in a different room, 4 from University of Economics (AE) and 4 from Lublin and Wilno. No Vortrag on education was conducted. Instead, they were told by Müller that the university did not have permission to start a new academic year (which it did), and that Poles are hostile toward German science, and act in bad faith. They were arrested on the spot by armed police, frisked and escorted out. Some senior professors were kicked, slapped in the face (Stanisław Estreicher) and hit with rifle butts. Additional 13–15 university employees and students who were onsite were also arrested, not to mention the President of Kraków, Dr Stanisław Klimecki who was apprehended at home that afternoon.
All of them, 184 persons in total, were transported first to prison at Montelupich street, then to barracks at Mazowiecka, and – some three days later – to detention center in Wrocław (German: Breslau), where they spent 18 days split between two prison facilities: the interrogation building at Świebodzka 1 street (Untersuchungs-gefängnis), and the penal complex at Kleczkowska 35 (Strafgefängnis). The Gestapo were unprepared for such a large transfer of prisoners, and awaited permission to send them to Buchenwald which was filled to capacity. As a result, on November 27, 1939 at night, they were loaded onto a train to Sachsenhausen concentration camp (located on the other side of Berlin), and in March 1940, sent further to KZ Dachau near Munich after a new 'selection' among younger academics.
The release 
Following loud international protest by prominent Italians including Benito Mussolini and the Vatican, 101 professors who were older than 40 were released from Sachsenhausen on February 8, 1940. Additional academics were released later. Although the captives were not sent to gas chambers, many elderly professors did not survive the roll-calls held twice a day in snow and rain, and the grim living conditions in the camp where dysentery was common and warm clothes were rare. Twelve died in the camp within three months, and another five within days of release. Among the notable professors who died in the camp were Ignacy Chrzanowski (UJ; Jan 19, 1940), Stanisław Estreicher (UJ; Dec 29, 1939), Kazimierz Kostanecki (UJ; Jan 11, 1940), Antoni Meyer (AGH; Dec 24, 1939), and Michał Siedlecki (UJ; Jan 11, 1940, after roll-call). In March 1940 the able prisoners from Kraków who remained alive were sent to Dachau and most of them, but not all, released in January 1941 on intervention.
Many of those who went through Sonderaktion Krakau and the internment, in 1942 formed an underground university in defiance of the German punitive edicts. Among the 800 students of their underground college was Karol Wojtyła, the future Pope John Paul II, taught by prof. Tadeusz Lehr-Spławiński among others.
Today there is a plaque commemorating the events of Sonderaktion Krakau in front of Collegium Novum in Kraków. Every November 6, black flags are hung outside all Jagiellonian University buildings, and the Rector of the University lays wreaths to honor those who suffered.
In film 
Sonderaktion Krakau is depicted in the 2007 Polish film Katyń directed by Academy Honorary Award winner Andrzej Wajda. It was nominated for Best Foreign Language Film at the 80th Academy Awards ceremony.
See also 
- Aktion Krakau
- German AB Action operation in Poland
- Invasion of Poland (1939)
- Massacre of Lviv professors
- Operation Tannenberg
- Treatment of Polish citizens by occupiers
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