Sally Kristen Ride

Sally Kristen Ride was born on  May 26, 1951, she was an American physicist and astronaut. Ride joined NASA in 1978 and at the age of 32, became the first American woman to enter into low Earth orbit in 1983. She died on July 23, 2012.

Ward Cunningham

 

Howard G. "Ward" Cunningham is an American computer programmer who developed the first wiki. He was born on May 26, 1949.