Eratosthenes (which we WILL mispronounce a few times) was a well-rounded researcher. He made significant contributions to society, including creating a new field of study, and helped shaped the way we see the world today.

1"Eratosthenes." Famous Scientists. famousscientists.org. 21 Jun. 2014. Web. 10/11/2015 .

4“Eratosthenes and the Size of the Earth.” Astronomy 101 Special Webpages. Bucknell University. Web

2"Eratosthenes of Cyrene". Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2015. Web. 11 Oct. 2015

3“Eratosthenes of Cyrene (276-194 BC).” http://www.eranet.gr/eratosthenes/html/eoc.html

5“Measuring the Circumference of the Earth.” Cynthia Stokes Brown. Ways of Knowing: Our Solar System and Earth. Web.

6“Maps and Geography.” Ken Jennings. Simon and Schuster, 2014.

7“Eratosthenes.” Famous Mathematicians. http://famous-mathematicians.org/eratosthenes/

https://link.springer.com/chapter/10.1007/978-90-481-9091-1_23 

https://www.ancient.eu/Eratosthenes/

https://www.ancient.eu/article/207/what-happened-to-the-great-library-at-alexandria/