Herman Krefting [SEP] date of birth
Herman Krefting
Herman Krefting (25 September 1592 – 9 February 1651) was a German born, Norwegian ironworks pioneer. 
Krefting was born in Bremen; the son of Wolter Krefting and his wife Anna Winckel. He co-founded Det Norske Jernkompani in Copenhagen in 1618. 
From 1624 he was running several ironworks in Norway, including Bærums Verk and Eidsvoll Verk as well as Hakadals Verk at Hadeland and Fossum Verk 
at Gjerpen. He died in Øvre Eiker in 1651 and was buried at Haug Church.
Krefting
Krefting is a surname. Notable people with the surname include: 
- Anna Krefting (1683-1766), Norwegian businesswoman
- Herman Krefting (1592-1651), Norwegian ironworks pioneer
- Kristian Krefting (1891-1964), Norwegian footballer, military officer, chemical engineer and company owner
- Rudolf Krefting (1860-1942), Norwegian dermatologist
- Ruth Krefting (1900-1987), Norwegian painter and playwright