Friedrich Oskar Risch

Born 1835, died 1904.¹

Career

Occupation: entrepreneur.³

Date not recordedFounded Rigaer Zementfabrik C. Ch. Schmidt²

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataFriedrich Oskar Risch on Wikidata
2
WikidataFriedrich Oskar Risch: Founded Rigaer Zementfabrik C. Ch. Schmidt, on Wikidata
3
WikidataFriedrich Oskar Risch: occupation, on Wikidata