Mathias Alten in California.

Painter Mathias Alten in his Grand Rapids, Michigan studio.

Mathias Alten on the beach.

Mathias Alten painting in his studio.

Mathias Alten painting model overlooking the Pacific at Laguna Beach, California.

Painter Mathias Alten working on portrait of friend and neighbor Carl Bornecrantz? in his Grand Rapids studio.

Newspaper photograph of Mathias and Bertha Alten and Mrs. John Cusick in gondola in Venice Italy. Alten was painting in Italy the summer of 1922.

Passport photograph of painter Mathias Alten (seated right), Forest Emerson Mann (standing), and an unidentified sculptor (seated left) taken in Seville, Spain.

Portrait of painter Mathias Alten on picture post card.

Bertha Schwind Alten, wife of painter Mathias Alten.

Bertha Schwind Alten, wife of painter Mathias Alten.

Portrait of Bertha Schwind Alten, wife of painter Mathias Alten.