Person · 1966 CEMark SeagravesAlso known asМарк Сигрейвсمارك سايجراڤيسمارک سیقریوزمارک سیگریوزarchival plate · Mark Seagraves · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected to4 links to entries not yet ingested in the Library.