 On the strength of ""Sailing Theory..."", in 1969, Czesław Marchaj was granted a two-year scholarship by the University of Southampton.In 1970 he decided to live in United Kingdom (which was considered defection by Polish authorities and resulted in a long term separation from his family which was barred from leaving Poland to join him).In the years 1969-1990 Czesław Marchaj continued research at University of Southampton and was a visiting lecturer at multiple top ranking academic institutions.