There is only one authentic portrait of Johannes Kepler in existence. The German astronomer was born in 1571 and died in 1630. His most significant contribution to science was his three laws of planetary motion.
Portrait #1, Artist Unknown, 1610
The artist of portrait #1 is unknown. This portrait was painted in 1610. It features Kepler in period clothing holding a pair of forceps in his right hand.
There is one post mortem portrait of Kepler that needs to be mentioned. This portrait was engraved by artist Frederick Mackenzie (1787-1854).
Portrait #3 by Frederick Mackenzie
It is likely that additional authentic portraits of Kepler exist to this day. Still wondering about a portrait in your family collection? Contact us... it may be a portrait of Johannes Kepler.