An Operation Smile volunteer reverses an oxygen mask so a child with a cleft condition can blow a bubble for the first time in Guadalajara, Mexico. (Operation Smile Photos)
Photo credit: Associated Press/Wikimedia Commons – Albert Einstein is so famous for his intelligence, people use "Einstein" as a synonym for a smart person.
Photo credit: via United States Library of Congress’s Prints and Photographs division/Wikimedia Commons – Albert Einstein receiving his U.S. citizenship.
