An astronomer and astrologer in his study, plotting points on a globe with a pair of dividers. Woodcut by J. Amman, 1568.

In the publication Panoplia, described as "Astronomus. Der Sternbeseher", with a description of his work: he is an "astrologus", who measures the risings of the stars and foretells future events, including earthquakes, comets, tides, the weather, and whatever people seeking certain answers ask of him