1972–1973
Gemini G.E.L., 1968
Gemini G.E.L., 1972
Benjamin B. Smith, 1971
Daniel Freeman, 1969
Gemini G.E.L., 1977
Gemini G.E.L., 1967
Bruce Nauman, 1993
Gemini G.E.L., 1971
![Figure 5 [working proof]](https://api.nga.gov/iiif/e6d60deb-19f5-4b34-baee-8be39d5ea772/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/e0c7a0ce-d1f9-4b47-8a72-7bdca0154a58/full/843,/0/default.jpg)
