Microbiologist Dr. Rita Colwell was born #OTD in 1934. She is recognized for her study of global infectious disease spread through water sources. Her research on cholera helped save π€π°πΆπ―π΅ππ¦π΄π΄ lives.
She was the first female director of the National Science Foundation (NSF), 1998-2004. #WomenInSTEM
