Social Studies is the integrated study of multiple fields of social science and the humanities. These include history, geography, political science, economics, philosophy and psychology.
Eratosthenes of Cyrene (276BC - 195BC) was the creator of the discipline of geography. He was a studious and learned man. Geographer, Mathematician, Astronomer, and Music Theorist, he eventually became the chief librarian at the Library of Alexandria. He is the first known person to calculate the circumference of the earth. He calculated the earth's axis properly, in addition to it's distance from the sun. He also created the first map of the world.