Born in Holland. Korthals came to San Francisco as a child. He grew up there and studied art at the Mark Hopkins Institute. About 1900 he returned to Amsterdam and lived there for many years. He returned to San Francisco in 1916 and was active in the local art scene briefly before returning to Holland. Exh: Courvoisier Gallery (SF), 1916; SFAA, 1916.
Source: Edan Hughes, "Artists in California, 1786-1940"
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