He played an art professor in the 1994 film Uncovered.
He was a professor of art at Yale from 1969 to 1995.
"In the past, people thought we should leave the extremists alone," the art professor said.
He returned to Luxembourg in 1936 to become an art professor.
Her older brother Charles later became an associate professor of electronic art.
He later became a professor of art and taught for many years in places such as Monaco.
He was professor of art at Boston University from 1964 to 1986.
He acquired Irish citizenship in 1952 and became an art professor.
Her father is a professor of art and architecture at Lehigh.
Once there, he became an art professor, and continued his painting and writing.