He led the team during the first great period in the 1950s.

During the period of 1947-49, several major security cases became known to Congress.

The average population during the second period was 750 people.

The couple had two children during the period of 1939 and 1943.

During the same period, he lost his son in 1962.

He asked her what she was doing during the period in question.

He left during the second period with a back problem.

During the same period a year later they lost $10.4 million.

He also built strong support in the business community during a period of economic growth.

We think it was a strong performance during a key period.