He also changed the way that book cover artists were treated: insisting on the return of his originals rather than having them sold or thrown away by uncaring publishers and insisting on the acknowledgement of copyrights. The series of books of his work published in 1975 were the first time a popular, commercial genre artist had had a book devoted to his work. This spawned a whole industry devoted to publishing fantasy artists' portfolios that is still going strong today.
His paintings got looser and more luminous during the eighties, when he produced some of his finest work on the female form.
He had been in ill health for some time and a series of strokes meant that he had to learn to paint with his left hand instead of his right. Frank Frazetta died on May 10th 2010 in Fort Myers, Florida.