- Natalia Gheorghiu was born on November 29, 1914, in Bender (Tighina), Moldova. In 1940, she graduated from the Medical Faculty of Bucharest University. Shortly after graduation she moved to Chisinău (the capital of Moldova), where she worked in pediatric surgery. In 1957, the first ward of pediatric surgery was founded within the hospital of the Moldovan Republic of the Soviet Union. Later, thanks to her efforts, the Pediatric Surgical Center was opened in Chisinău. The center now is named after professor Gheorghiu.
- Ludwik Hirszfeld, the son of a rich industrialist, was born on August 5, 1884, in Warsaw, Poland. After graduating from high school in Lodz, Poland, in 1902, he became a student of medicine in Wurzburg, Germany (1902-1904). He continued his university studies in Berlin and in 1907 was awarded the PhD degree with honors after completing a thesis on the agglutination of blood. After graduating, he worked in Heidelberg, Germany, and in 1911 was employed in Zurich, Switzerland, at the Department of Hygiene.