[3] Further studies took him to Venezuela, Peru, Bolivia; and finally to the San Francisco Art Institute, California (from 1945 to 1946).

[citation needed] People from the United States first became acquainted with Kingman's art in 1939, when he assisted Camilo Egas with the paintings and decorations for the Ecuadorian Pavilion at the New York World's Fair.

Near the end of his career, Kingman was honored with a one-man exhibition of his art at the United Nations, New York City.

The unifying theme of Kingman's paintings, lithographies and woodcuts in expressing the social realities of Ecuador's indigenous peoples.

[1] Two of his paintings were stolen from the Posada de las Artes Kingman Museum in 2003 but were safely recovered.