14. • Donald Judd, Untitled, 1970
• Based upon dual Fibonacci progression (a
mathematically based sequence in which
each number is the sum of the two
previous two: 0, 1, 1, 2, 3, 5, and so on)
21. • Tatlin, Monument to the third international,
1920
Dan Flavin. “monument” to V.
Tatlin XI, 1964; “monument” to V.
Tatlin, 1966; “monument” to V.
Tatlin, 1966—69; and untitled,
1970
22. • Flavin, Untitled
(Homage to
Barnet
Newman to
commemorate
his simple
problem, red,
yellow and
blue), 1970 )
27. • Sol LeWitt Wall Drawing No. 681 C / A
wall divided vertically into four equal
squares separated and bordered by black
bands. Within each square, bands in one
of four directions, each with color ink
washes superimposed., 1993
28.
29.
30. • Sol LeWitt, Four-Sided Pyramid, first
installation 1997, fabricated 1999