Alvan Graham Clark | |
|---|---|
 Alvan Clark and his assistant Carl Lundin (right) alongside the 40-inch lens, 1896 | |
| Born | July 10, 1832 Fall River, Massachusetts |
| Died | June 9, 1897 (aged 65) Cambridge, Massachusetts |
| Nationality | American |
| Known for | Sirius B |
| Scientific career | |
| Fields | Astronomy |
| Signature | |
.png){kind=small} | |
Alvan Graham Clark (July 10, 1832 – June 9, 1897) was an American astronomer and telescope-maker.