Reginald Aldworth Daly
| Reginald Aldworth Daly | |
|---|---|
| Born | May 19, 1871 | 
| Died | September 19, 1957 (aged 86) | 
| Alma mater | Victoria University, Toronto (B.A., 1891; S.B., 1892) Harvard University (Ph.D., 1896) | 
| Awards | Hayden Memorial Geological Award (1932) Penrose Medal (1935) Wollaston Medal (1942) William Bowie Medal (1946) | 
| Scientific career | |
| Fields | Geology | 
| Institutions | Harvard University Massachusetts Institute of Technology | 
| Doctoral advisor | John E. Wolff | 
| Doctoral students | Norman L. Bowen | 
Reginald Aldworth Daly (May 19, 1871 – September 19, 1957) was a Canadian geologist. He is best known for being one of the first proponents of the giant-impact hypothesis of the formation of the Moon.