| Nomination for Nobel Prize in Physiology or Medicine | |
| Year: | 1920 |
| Number: | 53 - 0 |
| Motivation: | Dr William H. Welch, was nominated for important contributions to medical science: "his labors have been directed chiefly to raising the standard of medical education throughout the country" (USA). Nominator was W.S. Halsted, Baltimore, MD, US. Nomination was declared invalid by the Nobel Committee. |