Avi OhryTel Aviv, Israel In 1961, Dr. Fritz Mainzer (1897–1961) was invited to lecture at a medical congress in Wiesbaden, Germany. Unfortunately, a fatal myocardial infarction ended the life and impressive career of this forgotten Jewish physician and scientist.1 Mainzer studied in Heidelberg and Frankfurt-on-Main. He was an assistant to Gustav Georg Embden (1874–1933), a…