Person · 1903 CE – 1978 CELudwig Heinrich HeydenreichAlso known asLudwig H. HeydenreichLudwig-Heinrich Heydenreichلودفيج هاينريش هايدنريتشルートヴィヒ・ハインリヒ・ハイデンライヒ路德維希·海因里希·海登賴希archival plate · Ludwig Heinrich Heydenreich · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected tocitizen ofGermany1949 CE+ 7 further connections to entries not yet ingested