Ruth Sanger
![Ruth Sanger c. 1950](https://upload.wikimedia.org/wikipedia/commons/f/ff/Ruth_Sanger_c1950.jpg)
She worked closely with Robert Russell Race from the 1940s, and they married in 1956. They co-authored many papers after 1948, and co-wrote six editions of a leading work on blood groups, ''Blood Groups in Man'', which helped make blood transfusions safer. The book was known as "Race and Sanger", which were published between 1950 and 1975. Provided by Wikipedia
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Published: 1954