Linda Dalrymple Henderson is a prominent art historian who has written extensively on the influence of the concept of the fourth dimension on modern art. Her major work on the subject is "The Fourth Dimension and Non-Euclidean Geometry in Modern Art". Her recent work on Duchamps also treats the fourth dimension, as explained in this interview.
Nathaniel Friedman is a mathematics professor extremely interested in art that uses the concepts of higher dimensions. In this article he describes the works of several different artists who have exhibited in annual conferences on art and mathematics.
Charles Hoberman has designed a remarkable expanding sphere.