Guests at Wilbur Clark's birthday party in Las Vegas, Nevada. From left to right, the people pictured are Lori Adelson, Joyce Mack, and Millie Greenspun.
Left to right, seated: Irwin Molasky, Susan Molasky, unknown, unknown. Left to right, standing: Nat Hart, Silvia Hart, Jean Weinberger, Joyce Mack, Jerry Mack
Left to right: Mrs. Joyce Mack, Hebrew University Vice President Bernard Cherrick, Jerome Mack, Marilynn and Karen Mack, Prof. David Weiss and Al Gersten, at Hebrew University of Jerusalem, April 1979