Zacharias Janssen
Dutch born Zacharias Janssen is given credit as the inventor of the compound microscope. Some believe his father, Hans Janssen, to have helped. The worked together in the lens making business. Portrait by Pierre Borel
Dutch born Zacharias Janssen is given credit as the inventor of the compound microscope. Some believe his father, Hans Janssen, to have helped. The worked together in the lens making business. Portrait by Pierre Borel