| Nomination for Nobel Prize in Physiology or Medicine | |
| Year: | 1930 |
| Number: | 10 - 0 |
| Motivation: | Prof Katsusaburo Yamagiwa, Tokyo, JP, was nominated for the discovery that elements in tar could cause cancer. Nominator was J. Maisin, Louvain, BE. Nomination was declared invalid by the Nobel Committee. |