A chemist in the White House: from the Manhattan Project to the end of the cold war

1. Franklin Delano Roosevelt: 1933-1945, a race against the Nazis for the atomic bomb.

2. Harry S. Truman: 1945-1953, how to best use this awesome power.

3. Dwight David Eisenhower: 1953-1961, the president's science advisory committee.

4. John Fitzgerald Kennedy: 1961-1963, a passion for arms control.

5. Lyndon Baines Johnson: 1963-1969, an overwhelming personality supports the NonproliferationTreaty.

6. Richard Milhous Nixon: 1969-1974, adjusting to troubled times.

7. Gerald Rudolph Ford, Jr. : 1974-1977, a longtime friend. 8.

James Earl (Jimmy) Carter, Jr. : 1977-1981, a fellow nuclear scientist.

9. Ronald Wilson Reagan: 1981-1989, an amiable fellow.

10. George Herbert Walker Bush: 1989-1993, continued opposition to a comprehensive test ban.

11. William Jefferson Clinton: 1993-1997, renewed hope for a comprehensive test ban.