Jurij Lopatynsky nom de guerre Szejk and Kalyna (born December 1906 in L’viv, died 1982) was a Ukrainian

Ukrainians

Ukrainians are an East Slavic ethnic group native to Ukraine, which is the sixth-largest nation in Europe. The Constitution of Ukraine applies the term 'Ukrainians' to all its citizens...

 activist, soldier and a colonel

Colonel

Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...

 in the Ukrainian Insurgent Army.

Son of a Greek Catholic priest, and a school colleague of Roman Shukhevych

Roman Shukhevych

Roman Taras Yosypovych Shukhevych was a Ukrainian politician and military leader, the general of the Ukrainian Insurgent Army.-Childhood:Roman Taras Yosypovych Shukhevych was born in the city of Krakovets, Jaworow powiat, in Kingdom of Galicia and Lodomeria which is located today between Lviv and...

. He was an active member of Ukrainian Military Organization

Ukrainian Military Organization

The Ukrainian Military Organization was a Ukrainian resistance and sabotage movement active in Poland's Eastern Lesser Poland during the years between the world wars...

 (UVO) and Organization of Ukrainian Nationalists

Organization of Ukrainian Nationalists

The Organization of Ukrainian Nationalists is a Ukrainian political organization which as a movement originally was created in 1929 in Western Ukraine . The OUN accepted violence as an acceptable tool in the fight against foreign and domestic enemies particularly Poland and Russia...

 (OUN). During World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, he was a member of the Nachtigall Battalion

Nachtigall Battalion

The Nachtigall Battalion , officially known as Special Group Nachtigall, was the subunit under command of the Abwehr special operation unit Lehrregiment "Brandenburg" z.b.V. 800...

 headquarters (since 1941). As a representative of Ukrainian Supreme Liberation Council

Ukrainian Supreme Liberation Council

Ukrainian Supreme Liberation Council was a Ukrainian political organisation formed in July 1944.UHVR united Organization of Ukrainian Nationalists and Ukrainian Insurgent Army . After the end of the Second World War, the council co-ordinated resistance efforts in Soviet-occupied Ukraine...

 (UHVR), he took part in Polish-Ukrainian talks, between Polish Home Army (AK) and Ukrainian Insurgent Army (UPA) in 1945. After WWII, he emigrated to the United States.