Ascent of man | world within world

Ascent of Man: 10--The World Within World Part 1 Explores the world within the atom and traces the history of the men and ideas that have made 20th century physics one of the great achievements of human imagination.
Summary

Explores the world within the atom and traces the history of humanity and ideas that have made 20th-century physics. Narrated by Dr Jacob Bronowski of the Salk Institute.