Person · 1982 CEJohn SteffensenAlso known asJohn William SteffensenJohn William SteffensenJohn William Steffensenجان استففسنجون ستيفينسينジョン・ステフェンセンarchival plate · John Steffensen · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected to7 links to entries not yet ingested in the Library.