The fascinating untold story of Finnish scientist and explorer Pehr Kalm, who in 1750, became the first scientist to vis... MoreFrom Finland to Niagara Falls: Pehr Kalm in North America 1748-1751: Pehr Kalm in North America 1748-1751
The fascinating untold story of Finnish scientist and explorer Pehr Kalm, who in 1750, became the first scientist to vis... MoreFrom Finland to Niagara Falls:: Pehr Kalm in North America 1748-1751
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