French Scientists in Medicine and Biology, Semi-postal stamps, designed by Denis Geoffroy-Dechaume, engraved by Jacky Larrivière (1.90+0.50 values) or by Claude Jumelet (2.20+0.50 values) and issued by France on February 21, 1987.
Bernard Halpern (1904–1978), an immunologist and pioneer of modern allergology. He contributed significantly to the understanding and treatment of allergic reactions.
Eugène Jamot (1879–1937), a physician who led major campaigns against sleeping sickness in Africa. His work helped control the spread of the disease through systematic medical interventions.
Charles Richet (1850–1935), a physiologist who discovered anaphylaxis, a severe allergic reaction. He was awarded the Nobel Prize in Physiology or Medicine in 1913.
Alexandre Yersin (1863–1943) – a bacteriologist who discovered the plague bacillus (Yersinia pestis). He made major contributions to microbiology and infectious disease research.
Jean Rostand (1894–1977), a biologist known for his work in genetics and experimental embryology. He conducted important studies on amphibians and developmental anomalies.
Jacques Monod (1910–1976), a molecular biologist who co-discovered mechanisms of gene regulation, including the operon model. He received the Nobel Prize in Physiology or Medicine in 1965.
Posted 10/14/2025 12:03 am
