e-Stamp vignette on medical science. Ludwik Hirszfeld--Polish immunologist, microbiologist, and hematologist.
Kucharz
Eugene Joseph
EJ
Shampo
Marc A
MA
Kyle
Robert A
RA
D000486:Allergy and Immunology / Q000266:history; D006405:Hematology / Q000266:history; D049673:History, 20th Century; D008829:Microbiology / Q000266:history; D010678:Philately; D011044:Poland