Changes

Edward White (b. 1930) was an early American astronaut.<ref>http://www.cmgworldwide.com/historic/white/index.php</ref>

Edward White (b. 1930) is an early American astronaut.<ref>http://www.cmgworldwide.com/historic/white/index.php</ref>

In 1965, White became the first American to walk in space outside of the spacecraft.  He did a spacewalk for 21 minutes.

In 1965, White became the first American to walk in space outside of the spacecraft.  He performed a spacewalk for 21 minutes.

== References ==

== References ==