PBS
Pbs American Experience: Race for the Superbomb
This site explores the Cold War race to develop the hydrogen bomb, a weapon that would change the world. Content details all the people who were involved in the race for the H-Bomb, as well as notable events during this time period....
Stanford University
Stanford Report: Edward Teller, Father of Hydrogen Bomb
Students don't generally learn much about Edward Teller in school. But with the progress in science in the 20th century, maybe they should. Edward Teller was one of the main architects of the hydrogen bomb. This is a great site by...
Khan Academy
Khan Academy: Atomic Fears and the Arms Race
Looks at the nuclear arms race in the 1950s as the United States and the USSR both stockpiled nuclear weapons. Includes 1951 propaganda video showing schoolchildren how to 'Duck and Cover' in the event of a nuclear attack. [9:15]
PBS
Pbs: American Experience: Race for the Superbomb: Andrei Sakharov
Provides brief biography on Andrei Sakharov, who is called "father of the Soviet hydrogen bomb", but most people know him as one of the twentieth century's most ardent and unrelenting champions of human rights and freedoms.
Other
Nuclearfiles.org: Who Built the H Bomb? Debate Revives
This article from "The New York Times" at Nuclearfiles.org recounts the ongoing debate about the first hydrgen bomb and who truly should be credited with its development.
Atomic Archive
Atomic Archive: Developing the Hydrogen Bomb
Links to seven different documents regarding the hydrogen bomb and its development during the Cold War. Excellent resource.