Salomón Hakim Commemorative Stamp

Colombia · 2007 · 500 pesos

The stamp design features a portrait of Colombian physician Salomón Hakim alongside a diagram illustrating the normal pressure hydrocephalus and the valve he invented for its treatment.

This commemorative stamp was issued by Colombia in 2007 to honor Salomón Hakim's groundbreaking medical contributions: the discovery of normal pressure hydrocephalus in 1957 and the subsequent invention of a treatment valve in 1966.