The article will talk about the Father’s of various fields that are important for the General Awareness Section of various competitive exams. Candidates preparing for upcoming Government exams must go through the list of Father ’s of different fields as general knowledge or awareness forms an important part of the syllabus of these examinations. Who is the Father of Hydrogen Bomb? Edward Teller invented the hydrogen bomb in 1952 and is renowned as the Father of the hydrogen bomb. Who is ... Eratosthenes of Cyrene , the ancient Greek mathematician, geographer, astronomer, poet and one of the most educated scholars, who lived from 276 to 194 BC, is known as the Father of Geography particularly for his most renowned achievement is the accurate calculation of the Earth's circumference. Eratosthenes was a polymath who invented the word " geography " and calculated the circumference of the Earth using geometry. He also created the first map of the world, discovered prime numbers, and worked at the Library of Alexandria. Eratosthenes is famous for being the first to calculate the circumference of the earth. Why is Eratosthenes called the Father of Geography ? Eratosthenes is called the Father of Geography because he not only coined the term " Geography " but was the first to write a comprehensive work on the subject. Who first discovered the size of the earth?

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