Carl is Director Emeritus of the Rose Art Museum at Brandeis University. Was director from 1974 to 1998. He was my professor at UMass Amherst in the sixties. And a graduate of Princeton University with a BA, MFA and Phd. He was also one of the starting 5 of the All-Ivy Basketball Team. He curated the 1998 show of Joseph Marioni.
You can read Mr. Belz writings online at http://leftbankartblog.blogspot.com