- Paintings: 1963-72 - > Gamma, Alpha, Delta, Kappa Paintings: 1969-72

In l968 as a reaction to black and white, I got involved with systems of color, subtractive (pigment mixtures), additive color (mixtures of light) and human visual responses. I began painting with color on canvas and called the first series Alpha. In this series I used vertical sequences of color bands in a horizontal format. Bands of gradient colors alternated with bands of uniform color ranging from opposition to harmony varying the perception of the uniform color bands. Kappa is a more complex variation of Alpha. In the Delta series the bands are the same, alternating inversely so the visual effect, fixed to the center, is more intense.

"Gamma"
acrylic on canvas
60 x 96"
1970
"Venetian Delta"
acrylic on canvas
60 x 96"
1971
"Alpha Prime"
acrylic on canvas
45 x 72"
1968
"Red Alternates"
acrylic on canvas
35 x 48"
1969
"Delta Black & White"
acrylic on canvas
50 x 70"
1971
"Alpha Reverse in Black and White, 1970"
acrylic on canvas
35 x 48"
1970
"Diamond Purple Progression"
acrylic on canvas
50 x 50" diagonal
1969
"Alpha Diamond 8"
acrylic on canvas
57 x 57" diagonal
1969
"Alpha Diamond Red Progression"
acrylic on canvas
50 x 50" diagonal
1969
"Alpha Diamond Green Progression"
acrylic on canvas
50 x 50" diagonal
1969
"Diamond Alternate Progression"
acrylic on canvas
50 x 50" diagonal
1969
"Alpha Diamond 10"
acrylic on canvas
68 x 68" diagonal
1969
"Alpha Diamond IV"
acrylic on canvas
57 x 57" diagonal
1969
"Triangle, Value Progression"
acrylic on canvas
42 x 48"
1969