The individual in international law — Aliens — Admission of aliens — Convention Relating to the Status of Refugees, 1951 — Fugitive of Polish origin and nationality — Four years in Federal Republic of Germany before travelling to Canada — Claim to refugee status in Canada — Whether necessary to show fear of persecution in Federal Republic of Germany — Definition of refugee contained in Article 1A(2) of Convention — Whether Convention ceased to apply to applicant by virtue of residence in Federal Republic of Germany — Article 1C(3) and E — The law of Canada