Dorothy Wrinch (1894-1976) was born in Argentina but moved to England at an early age. Dorothy received 4 degrees at Cambridge and became the first woman to earn a Doctor of Science degree at Oxford. After moving to the US she worked at Smith College for many years. Dorothy applied math to biology and proposed models for the gene. She is also known for a feud with chemist Linus Pauling over protein structures.
photo Acc. 90-105 - Science Service, Records, 1920s-1970s, Smithsonian Institution Archives; public domain