astronomers

Examines the life and work of Edwin Hubble, an astronomer whose study of galaxies led to a new understanding of the universe.

A biography of the African-American farmer and self-taught mathematician, astronomer, and surveyor for the new capital city of the United States in 1791, who also calculated a successful almanac notable for its preciseness.

Recounts the life and accomplishments of the first woman astronomer in America.

Presents the life of the seventeenth-century scientist who made predictions about the comet which bears his name and discusses many other important scientific contributions he made.