Archibald Milne Hamilton
A. M. Hamilton (1898–1972) was a New Zealand civil engineer, notable for building the Hamilton Road through Kurdistan and designing the Callender-Hamilton bridge system, and involvement in the Callender-Hamilton aircraft hangar design.
He was born in Waimate, New Zealand on 18 November 1898.
1933 Patent with Callenders Cable and Construction Co on "Framed Bridge or Bridge-like structure"
1936 Patents with Callenders Cable and Construction Co on "Improvements in construction of buildings with metal skeletons" and "Improvements in sliding doors"
1941 Patent with Callenders Cable and Construction Co on "Improvements in and relating to bridges and bridge-like structures made with standardised components"
1943 Patent with Callenders Cable and Construction Co on "Improvements in and relating to buildings"
1945 Patent with Callenders Cable and Construction Co on "Improvements in and relating to bridges or bridge-like structures"
From 1950 several more patents with British Insulated Callenders Cables
For much more information, see Wikipedia entry.