 use
of
scientific
principles
to
create
the
illusion
of
movement
on
the
picture
plane

 sense
of
movement
created
through
colour,
lines
or
shapes.
no
focal
points
(b.1908)
Leader
of
the
Op
Art
movement
in
America.
 geometric
shapes

 brilliant
colour
 does
not
call
his
works
paintings



 surfaces
seem
to
bulge
in
or
out
 he
changes
the
size
of
shapes
or
the
width
of
lines
and
strips.
 thin
layers
of
oil
paint
and
crisp,
hard
edges
to
produce
effects
Vega‐Kontosh‐Va,
 1971
 tempera
on
panel
painting
that
is
25
½”
x
25
½”
Painting
pokes
fun
at
accepted
ideas
of
art
such
as
Abstract
Expressionism
(1930)
Another
leader
of
the
American
Op
Art
movement.
Iridescence, 
1965

Use
of
colour
and
line
to
produce
the
sensation
of
the
shapes
receding
and
proceeding.
(1931)
Fall,
 1963

Use
of
line
instead
of
shapes
to
create
a
sense
of
undulation.
AVI4M1
‐
C.
Melo
 1