Gretl Wollner has
been in two exhibitions at MoMA,
between 1956 and 1966.
29 August to 4 November 1956
Pablo Picasso, Marc Chagall, Arthur Drexler and Philip Johnson, among others, were involved.
1 March to 8 May 1966
Ben Shahn, Roy Lichtenstein, Josef Albers and Herbert Bayer, among others, were involved.