
Albert Bandura
Canadian psychologist
Harlow Shapleywas an American scientist, head of the Harvard College Observatory (1921-1952), and political activist during the latter New Deal and Fair Deal.
Shapley used Cepheid variable stars to estimate the size of the Milky Way Galaxy and the Sun’s position within it.
Table of Contents
John Shapley
Martha Betz Shapley
Mildred Shapley Matthews
Willis H. Shapley
Alan Horace Shapley
Lloyd Shapley
Carl Betz Shapley
Harlow Shapleywas an American scientist, head of the Harvard College Observatory (1921-1952), and political activist during the latter New Deal and Fair Deal.
Shapley used Cepheid variable stars to estimate the size of the Milky Way Galaxy and the Sun’s position within it. In 1953 he proposed his “liquid water belt” theory, now known as the concept of a habitable zone.