| Jean Charles Galissard de Marignac | |
|---|---|
 Marignac | |
| Born | April 24, 1817, Geneva |
| Died | April 15, 1894 |
| Nationality | Switzerland |
| Known for | Discovering ytterbium, codiscovering gadolinium, and some fields with yttrium |
Jean Charles Galissard de Marignac was a Swiss chemist who discovered ytterbium in 1878 and helped discover gadolinium 1880.