James Read Chadwick | |
|---|---|
 | |
| Born | November 2, 1844 Boston, Massachusetts, U.S. |
| Died | September 23, 1905 (aged 60) Chocorua, New Hampshire, U.S. |
| Alma mater | Harvard University Harvard Medical School |
| Spouse |
Katherine Maria Lyman
(m. 1871; died 1889) |
| Relatives | Elizabeth Chadwick Whittier (sister) |
James Read Chadwick (November 2, 1844 – September 23, 1905) was an American gynecologist and medical librarian remembered for describing the Chadwick sign of early pregnancy in 1887.