Irving Al Gross.

Irving Al Gross.

Irving Al Gross and Mrs. Irving Al Gross (Evelyn).

Irving Al Gross, self-portrait.

Irving Al Gross.

Irving Al Gross.

Irving Al Gross, far left, at picnic grounds.

Irving Al Gross and wife, Evelyn Gross.

Gross family group photograph.

Irving Al Gross.

Irving Al Gross with daughter, Ileen, and son, Robert.

Irving Al Gross and Garry Moore on To Tell the Truth.

Irving Al Gross and wife, Evelyn Gross.

Ammunition shells from Irving Al Gross photograph collection

Irving Al Gross and wife, Evelyn Gross.

Irving Al Gross in laboratory.

Ammunition shells from Irving Al Gross photograph collection