Modernist artists were among its early popular exhibitors: Carl Zigrosser, its manager for many years, recalled that patrons like Lewis Mumford, Frank Crowninshield, Alfred Lunt and Jo Mielziner bought books and prints by the gallery's circle of artists, among them Rockwell Kent, Louis Lozowick, Aristide Maillol, Gaston Lachaise, Wanda Gág, J.J. Lankes, John Sloan, Reginald Marsh, Adolf Dehn, and Diego Rivera.
Among the many artists represented in its collections are John James Audubon, George Grosz, Henri Matisse, Pablo Picasso, Käthe Kollwitz, Max Weber, Raoul Dufy, Diego Rivera, Levon West, Lovis Corinth and Angelo Pinto.
[3] In 2015 the Museum of Modern Art in New York restituted “Sand Hills” by Ernst Ludwig Kirchner, to the heirs of Max Fischer.
MoMa had acquired the painting in 1949 from the Weyhe Gallery which had it on consignment from the estate of Nazi party member, Kurt Feldhausser.
[7][8] The painting, Over Vitbesk, had been the object of public provenance research efforts by the museum which had previously stated that the Matthiesen transfer was a repayment for debt, and not related to Nazi persecution of the Jews.