Knut Hjalmar Stolpe (23 April 1841 – 27 January 1905), was a Swedish entomologist, archaeologist, and ethnographer. He was the first director and curator of the Museum of Ethnography, Sweden. He is best known for his meticulous archaeological excavations at the Viking-age site Birka on the island Björkö. Biography. Hjalmar Stolpe was born at Gävle in Gävleborg County, Sweden. He was the son of Carl Johan Stolpe, the mayor of Norrköping, and Katarina Vilhelmina Charlotta Eckhoff. He graduated from Uppsala University in 1860 with a degree in zoology and botany and obtained a PhD in 1872.
https://en.wikipedia.org/wiki/Hjalmar_Stolpe