Johannes E. Purkinje (1787-1869) was a Czech professor of physiology at Breslau from 1823 to 1850 and then at Prague until his death. He was famous for his work in visual physiology. Shown is a medal engraved by V. Seidan in 1867 honoring his 80th birthday. The obverse depicts his bust facing right. The reverse depicts a seated winged woman, her right hand holding a wreath on a rectangular pillar inscribed 80 LET. Her left hand holds a mirror. On the pillar is a serpent, and beneath her seat are an owl, book, globe, and scroll.
Johannes E. Purkinje. Arch Ophthalmol. 2007;125(6):744. doi:10.1001/archopht.125.6.744