Janet Rowley, American geneticist and biologist (b. 1925)
Janet Davison Rowley (April 5, 1925 – December 17, 2013) was an American human geneticist and the first scientist to identify a chromosomal translocation as the cause of leukemia and other cancers. This proved that cancer is a genetic disease. Rowley spent majority of her life working in Chicago and received many awards and honors throughout her life, recognizing her achievements and contributions in the area of genetics.