A brief biography of the British theoretical physicist who is well-known for his advances in the study of cosmology, accomplished despite being physically limited by amyotrophic lateral sclerosis (ALS) or Lou Gehrig's disease.
A guide to the life and struggle of the recipient of the 1984 Nobel Peace Prize reveals his belief that there can be a peaceful change in the apartheid policies of his violent, revolutionary homeland, South Africa
A biography of the shy wife of a senator, who after chaotic events in the Philippines, became President of four million people on more than one thousand islands.
Recounts the life of the doctor and scientist who became the first African-American woman in space on the space shuttle Endeavor in 1992, and explains how she prepared herself to become an astronaut
A biography of the California astrophysicist who became, with the second mission of the Challenger spacecraft in June 1983, the first American woman and the youngest American astronaut to orbit the earth.