Witches' Sabbath (The Great He-Goat) powdered glass, orpiment and iron oxides. He likely worked with mixed materials. Technical analysis indicates that most of the Black Paintings begun with preparatory drawings. "Witches' Sabbath" is the exception; the final composition seems to have been painted directly onto the wall. Art historian Fred Licht notes that Goya's brushwork appears "clumsy, ponderous, and rough" and lacking finish compared to his earlier work. Licht believes this was a deliberate ploy to physically convey dismay at human inadequacy and his own feelings of personal doubt. Unique in the series, "Witches' Sabbath" was not significantly altered by Goya after his initial work.
Víctor Alba the University of Kansas and in the Kent State University in Ohio. Initially identifying as a Marxist, he adopted social-democratic and anti-communist views during his exile. In 1974 he retired from Kent State University, returning to Spain where he died in 2003. Alba wrote many works in various languages: Víctor Alba Víctor Alba who also went as Pere Pagès i Elies (Barcelona, 1916 – Sant Pere de Ribes, March 10, 2003) was a Spanish anti-Stalinist communist politician, journalist, writer and Spanish university professor. Alba began to study rights at a young age, beginning his studies at the University of Barcelona.