Helen Holloway (in white blouse) and others
1968 February 14
- Helen Holloway (in white blouse) and others
- Caltech Photographs
- Photographs of Administration, Campus Celebrations, and the Jet Propulsion Laboratory
- 1968 February 14
- 1 photographs
- Fritz Zwicky is in plaid jacket. Original is inscribed on back from Prof. Zwicky. Caltech staff.