Georgios Papanikolaou

Georgios Papanikolaou

Georgios Nikolaou Papanikolaou (or George Papanicolaou; Greek: Γεώργιος Ν. Παπανικολάου; May 13, 1883 – February 19, 1962) was a Greek pioneer in cytopathology and early cancer detection, and inventor of the "Pap smear".