Hubble's work led to new research on the birth of the universe.

VOA: special.2009.04.29

The team was led by Walter Reed, the Army doctor and scientist noted for his work on infectious diseases.

VOA: special.2009.01.27

Top government officials, led by Vice President Joe Biden, will work on policies to help the middle class.

VOA: special.2009.01.31

Lena Horne said the experience and other discrimination led to her work in the civil rights movement.

VOA: special.2010.05.14

Koussevitzky led the orchestra for the first performance of Copland's early work, "Music for the Theater,"

VOA: special.2009.06.21

By the time of her death in nineteen twelve, she had begun a revolution that led to the right of women to do responsible work for society.

VOA: special.2009.07.26

Researchers at Harvard University and the Massachusetts Institute of Technology led the work.

VOA: special.2009.11.03

These experiences led to Lena Horne's work in the civil rights movement.

VOA: special.2010.05.23