Blank greetings card with envelope featuring:

Sir Ernst Chain NPG x5736

© National Portrait Gallery, London

by Godfrey Argent

Berlin-born biochemist, whose major contribution to medicine was to purify penicillin, making it stable enough to cure bacterial infections. Chain came to England in 1933, conducting his research in Oxford. In 1945 he shared a Nobel Prize with his colleague Howard Florey, and Alexander Fleming, who had discovered penicillin. He received a knighthood in 1969.

Card size: 125mm x 175mm

Images are printed in their original proportions, within a white border.