Person · 1956 CEMatti HäyryAlso known asMatti HayryМатти ХяуруМатти ХяурюХяуруХяуру, МаттиХяурю, Маттиarchival plate · Matti Häyry · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected tostudied at · worked forUniversity of Helsinki1640 CE+ 4 further connections to entries not yet ingested