78 Święty Marcin Street in Poznań, Academic building in Old Town, Poznań, Poland.
78 Święty Marcin Street is a six-story building constructed in 1949-1950 with a dual-winged layout facing two streets in the Old Town. Its ground floor holds a bank branch, while the first floor houses an interactive center dedicated to the Enigma cipher, opened in 2021.
The structure was built in 1949-1950 to replace a previous site where cryptographers worked on breaking the Enigma code. It later served as a party headquarters before becoming a university facility for over 20 years.
The building marks a shift from political power center to a space for learning and public engagement, visible in how its rooms now serve education and cultural exchange. This transformation reflects broader changes in how Poland uses its Cold War-era structures today.
The building is easily accessible in the city center and open to visitors interested in its current functions. The Enigma center on the first floor welcomes guests during regular museum hours, while the banking area occupies the ground level.
The building's largest hall once served as a key gathering space for political leadership and today bears the name of a respected professor. This room demonstrates how important assembly spaces were adapted for new purposes in recent decades.
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