Major protagonists of this movement include the artists Donald Judd and Dan Flavin. (fineartmultiple.com)
If Oliveira is thinking of writing a third book in this series, I would respectfully suggest that her next major protagonist be this character! (bookbrowse.com)
Chase Stafford's work references the Light and Space movement of the 60s and 70s, whose major protagonists were Robert Irwin, Larry Bell, Bruce Naumann, James Turrell. (davidrichardgallery.com)