HENRY SEIDNER (1884-1949) Artist, born in Germany, Seidner settled in San Diego, CA in 1931. He is best known for his brightly colored postcard size pastel & watercolor landscapes of California & Arizona which he sold to the public through local art stores in the San Diego area. He died in San Diego in 1949. Seidner is listed in HUGHES, Davenports & Who's.