In a series of woodcuts(1) made by Albrecht Dürer in 1497-8 titled The Apocalypse, he depicted the revelations of St John. The detail on the left (full image(2)) shows John receiving divine inspiration.

1. http://www.wga.hu/frames-e.html?/html/d/durer/2/12/2apocaly/index.html
2. http://www.wga.hu/art/d/durer/2/12/2apocaly/09apocal.jpg