KEY DIRECTIONS OF SCIENTIFIC AND ORGANIZATIONAL ACTIVITIES OF THEODOR MACKIW

The article describes the critical directions of scientific and organizational activity Theodor Mackiw (1918–2011), a well–known Ukrainian historian who worked in conditions foreign (diasporic) historiography. A personal contribution to organization holding publications, congresses, conferences, events devoted study history Ukraine was determined. It determined that one key areas T. Maсkiw his work as member editorial board «Ukrainian Historian» Historical Society, he responsible for publications on Cossacks 17–18 centuries Ukrainian–Polish relations. He an active participant most their co–organizer, organized not only by UHS independently, but also cooperation with other diaspora societies organizations. His participation various activities establishment interpersonal relationships between researchers positively impacted results organizations which member. Despite at UHS, supported joint congresses establish connections institutions. While teaching working research, Professor decently represented historical science abroad, paid lot attention public public–scientific work, tried spread knowledge culture forums, particular, evening music Seton Hall University, published popular articles press, hosted studies programs radio. scientist helped dissidents. participated representative forum world–historical science–the International Congresses Sciences post–war period. Participation four is evidence high level awareness purposefulness. communicated expressed thoughts topics, becoming part world science, bringing historiography international level.