Dan Flavin employed commercially-sold fluorescent light tubes in order to produce what he liked to call "situations" or installations. His minimalist approach transcended simplicity through his use of neon colors and thoughtful compositions. With straight-edged light beams, Flavin would often create dynamic arrangements reminiscent of Fred Sandback's work with yarn.
signed with the artist's initials, dedicated and dated "best wishes Dan (to Gisela) Koln 11 16 70 DNF" lower right ballpoint pen on stationery 11 5/8 x 8 1/2 in. (29.5 x 21.6 cm.) Executed in 1970.