Ove Bjelke Holtermann (1852–1936), Norwegian architect, uncle of Hans Reidar
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Peter Høier Holtermann (1820–1865), Norwegian architect, uncle of Ove Bjelke and granduncle of Hans Reidar
While officially spending the years 1940–1942 working as an office manager for Orkla Metall at Orkanger Holtermann continued resisting the Germans by being secretly active in the resistance movement.
The site of the school's first building stands on that of the Victorian mansion of the famed gold prospector Bernhardt Holtermann, a German migrant who discovered the Holtermann Nugget in the Australian gold fields.