Things no one knew about famous people!!

Hedy Lamarr

Most popularly known for her role in the movie "Samson and Delilah" in 1949

Co-Invented Frequency hopping spread spectrum, a technology still used for Bluetooth and Wifi

Mayim Bialik

Most popularly known as Dr. Amy Farrah Fowler in "The Big Bang Theory"

Earned a PhD in Neuroscience, specializing in OCD in adolescents with Prader-Willi Syndrome

Natlie Portman
Widely known for her role in "Black Swan"
In 1998 (high school), co-authored a paper- "A Simple Method to Demonstrate the Enzymatic Production of Hydrogen from Sugar," which was entered in the Intel Science Talent Search.
In 2002, she contributed to a study on memory called "Frontal Lobe Activation during Object Permanence: Data from Near-Infrared Spectroscopy" during her psychology studies at Harvard.