Jantina Tammes

Dutch botanist and geneticist Jantina Tammes was one of only 11 women students at the University of Groningen in 1890, where she was allowed to attend lectures but not take exams, culminating in a teaching diploma rather than a degree in science. She went on to be the first professor of genetics in the Netherlands (of any gender).

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Dr Martha Chase

Conducted by Martha Chase and Alfred Hershey, the Hershey-Chase experiment earned the Nobel Prize in Physiology or Medicine in 1969—not for Chase, but for Hershey.

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Dr Marthe Gautier

Marthe Gautier was studying Down Syndrome when she noticed an extra chromosome while studying cell samples from a patient. Due to her poorly equipped lab—she had only a low-power microscope—she couldn’t identify or photograph the chromosome.

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Dr Dorothy Steane

Research scientist on the phylogeny, population genetics and evolution of eucalypts (family Myrtaceae), who has also pursued molecular phylogenetic studies of other plant families including Lamiaceae, Ericaceae, Rutaceae and Orchidaceae.

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Dr Janet Rowley

“Janet Rowley’s work established that cancer is a genetic disease. She demonstrated that mutations in critical genes lead to specific forms of leukemia and lymphoma, and that one can determine the form of cancer present in a patient directly from the genetic changes in the cancer. We are still working from her paradigm.”

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