Margaret Todd (doctor)

Margaret Georgina Todd
Dr Margaret Todd
Born(1859-04-23)23 April 1859
Died3 September 1918(1918-09-03) (aged 59)
NationalityScottish
EducationEdinburgh School of Medicine for Women
Known forproposing the term isotope

Margaret Georgina Todd (23 April 1859 3 September 1918) was a Scottish medical doctor and writer. She coined the term isotope in 1913 in a suggestion to chemist Frederick Soddy.