Arts Frederic Warner Berthoff Posted by Who's Who Site Administrator on September 9, 2018 Most Recent Title: Painter Company: U.S. Govt. Industry: Arts Years in Industry: 37 Years affiliated with Marquis Who’s Who: 14 Contact Frederic Warner Berthoff: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...