Portrait of painter Mathias Alten.

Portrait of painter Mathias Alten.

Portrait of painter Mathias Alten.

Portrait of painter Mathias Alten.

Portrait of painter Mathias Alten.

Bertha Schwind Alten, wife of painter Mathias Alten.

Portrait of painter Mathias Alten and friend Rudy Heubner, 1893.

Black and white photograph of a street artist painting a portrait of a customer in front of a gathering of people in Coney Island, New York. Scanned from the negative.

Black and white photograph of a street artist painting landscape paintings in front of a large crowd in Coney Island, New York. Scanned from the negative.

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

Portrait of painter Mathias Alten.

Sketch of Mathias Alten by Ray Barnes, published in the Grand Rapids Press. One illustration used in article, ""G.R. artist began his notable career near inspiring German miracle spring.""