One of them is Jiří Krupička, a doctor of philosophy and natural sciences who emigrated from Czechoslovakia in 1968 after spending many years in Communist concentration camps.
साम्यवादी सरकार के अधीन, अनेक साक्षियों को उनके विश्‍वास के कारण क़ैद की सज़ा हुई ।