Ejnar Hansen “Study for the ‘Portrait of Sadakichi Hartmann’ ” P1065 Posted on November 7, 2014 by eric Ejnar Hansen gray tone gouache study for the “Portrait of Sadakichi Hartmann” which hangs in the collection of the Los Angeles County Museum of Art. Gouache on paper, 5.5″ x 6″. The painting at the Los Angeles County Museum of Art. Price on request. Ejnar Hansen Bio here.