James Read Chadwick

James Read Chadwick
Born(1844-11-02)November 2, 1844
DiedSeptember 23, 1905(1905-09-23) (aged 60)
Alma materHarvard University
Harvard Medical School
Spouse
Katherine Maria Lyman
(m. 1871; died 1889)
RelativesElizabeth 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.