On January 10, 1947 . . . Dr. Hubert Loring and assistant Dr. Carlton Schwerdt had a breakthrough in their research of the polio virus at Stanford.
On December 21, 1990 . . . Dr. Mary-Claire King first discovered that a gene on chromosome 17(BRCA1) was linked to inherited cancer, including ovarian and breast cancer. The article was published by Science on December 21, 1990.
Rita Levi-Montalicini, along with her twin sister, was born on April 22, 1909 in Turin, Italy.