Brief life stories of twenty-seven persons whose inventions or discoveries have altered the environment to a marked degree. Includes a list of important dates in the history of invention and technolog
Follows the life of French missionary priest, Isaac Jogues, from his arrival in Quebec in 1636 through his work with the Hurons, Iroquois, and Mohawk Indians to his death as a martyr in 1646.
The story of St. Thomas Aquinas is one full of moving and dramatic scenes: the flaming destruction of Monte Cassino Abbey, the reception into the Dominican order of the quiet, determined young Thomas,
The softball-sized Vanguard 1 satellite was launched on 17 March 1958, and still orbits, being the oldest human artifact in space, though it has not spoken--at least to Earth--since 1964. In 1969, the
