Person · 1909 CE – 1963 CEHans-Heinrich SievertAlso known asHans Heinrich SievertЗиферт, Ханс-ХайнрихХанс-Хайнрих Зифертهانس هينريخ سيڤيرتジーフェルト漢斯-海因里希·希沃特archival plate · Hans-Heinrich Sievert · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected tocitizen ofGermany1949 CEin conflictWorld War II1939 CE+ 5 further connections to entries not yet ingested