Abbott Thayer in his sleeping hut with his dog Hauskuld, circa 1903 / unidentified photographer. Nelson and Henry C. White research material , Archives of American Art, Smithsonian Institution.

In 1909, Abbott Handerson Thayer and his son, Gerald, published a controversial book titled Concealing Coloration in the Animal Kingdom, offering their theory of animal camouflage. Thayer believed ...

In 1909, Abbott Handerson Thayer and his son, Gerald, published a controversial book titled Concealing Coloration in the Animal Kingdom, offering their theory of animal camouflage. Thayer believed ...