Halfdan M. Hanson

A professional photograph of the architect Halfdan M. Hanson, taken in early 20th century. Exact date unknown. Halfdan Marinius Hanson (November 30, 1884 – September 12, 1952) was a Norwegian-born American architect.

He was born in Tønsberg in Vestfold, Norway. He emigrated as an infant to Gloucester, Massachusetts, where his father was a ship's rigger. In 1904, he completed a correspondence course in architecture from a program based in Philadelphia, Pennsylvania.

Hanson had a longtime collaboration with interior designer Henry Davis Sleeper, the owner of the Beauport in Gloucester, Massachusetts.

He was an architect in the employment of Sleeper for twenty-seven years. He was also the architect of or contributor to over 100 properties principally within greater Boston area including the communities of Gloucester, Rockport, Manchester, Beverly and Newton.