Google Doodle celebrates pioneering doctor who helped develop polio vaccine
9:07am PDT - April 1st, 2020 dame jean macnamara - Mashable121 years ago, on April 1, 1899, Dame Jean Macnamara, an Australian doctor and medical scientist whose work contributed to the development of a vaccine for polio, was born. Now, she's being honored with a new Google Doodle depicting her time spent treating an…