1967
Gemini G.E.L., 1969
Frank Stella, 1971
Gemini G.E.L., 1986
Gemini G.E.L., 1978
Gemini G.E.L., 1972
Woodward Foundation, 1963
Frank Stella, 1982
Gemini G.E.L., 1983
Gemini G.E.L., 1967
![Figure 1 [trial proof]](https://api.nga.gov/iiif/d19b56d3-b9eb-4103-895a-fb7a7cd59326/full/843,/0/default.jpg)
