SCIENCE SOURCE / SCIENCE PHOTO LIBRARY SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Nicolas Kratzer (c.1487-1550) was a German astronomer, mathematician and horologist who worked in England as King Henry the Eighth's royal astronomer. The painting is by Hans Holbein (1497-1543), who was friends with Kratzer, and dates from 1528. It shows Kratzer surrounded by several scientific instruments that he designed. New York Public LIbrary Picture Collection.
Model release not required. Property release not required.