Portrait of Graham Travers

Graham Travers

Margaret Georgina Todd was a Scottish medical doctor and writer. She coined the term isotope in 1913 in a suggestion to chemist Frederick Soddy.

Average Book Rating
4.0
Aggregate review score sourced from Goodreads
5
200
4
200
3
200
2
200
1
200
Total Book Reviews
10.0k
Total reviews from Goodreads may change
Categories