Edwin Gledhill, Canadian-born photographer, Nov. 29, 1888 - 1976, pioneered the use of the autochrome process for portraiture.
Above: Carolyn Even Gledhill with Nasturiums, 1920 - autochrome
From i12bent

Edwin Gledhill, Canadian-born photographer, Nov. 29, 1888 - 1976, pioneered the use of the autochrome process for portraiture.

Above: Carolyn Even Gledhill with Nasturiums, 1920 - autochrome

From i12bent