Who was the youngest person ever in NASA?

The youngest person ever to be employed by NASA was Jordan W. Thomas, who joined the agency at the age of 19 as an intern in 2012. However, if referring to the youngest astronaut, that title belongs to Gherman Titov, who flew to space at the age of 25 in 1961. NASA's youngest astronaut was Sally Ride, who became the first American woman in space at age 32 in 1983.