# Ancient Greek Mathematicians Who are Revered Across the Globe

Ancient Greece is the homeland of drama, government and learning in all spheres of knowledge. Read on to learn more about famous Greeks who changed the face of the field of mathematics.

ScienceStruck Staff

Last Updated: Aug 9, 2018

List of Ancient Greek Mathematicians

Archytas (428 BC - 347 BC)

**Area of Birth:**Unknown

**Contributions to Mathematics:**

- Founder of mathematical mechanics - using the concepts of maths in machines
- Inceptor of the idea of a harmonic mean
- Creator of the Archytas mean

**Contributions to Mathematics:**

- Created the method of exhaustion
- Found out value of π (pi)
- Proved that area of a circle can be calculated by formula π x r
^{2}(radius of circle) - Created Archimedean property of real numbers
- Proved that area enclosed by a straight line and a parabola is 4/3 times the area of a triangle inscribed in the parabola

Chrysippus (279 BC - 206 BC)

**Area of Birth:**Soli

**Contributions to Mathematics:**

- Contributed to the concept of the infinite set
- Sole Greek mathematician to claim "one" is a numeral

**Contributions to Mathematics:**

- Carried out predominant research into the geometric shapes of cones and pyramids
- Noted that a cone/pyramid has ⅓ volume of a cylinder or prism with same base and height measurements

Dionysodorus (250 BC - 190 BC)

**Area of Birth:**Caunus

**Contributions to Mathematics:**

- Credited with using the concept of an intersection between a hyperbola and a parabola to solve cubic equations, a previously unthought of idea
- Wrote
**On the Tore**, mathematical work dealing with the geometric shape torus and its calculations

Diophantus (200 C.E - 284 C.E)

**Area of Birth:**Alexandria

**Contributions to Mathematics:**

- Wrote
**The Arithmetica**series, a collection of 13 books which is thought to be the best written work on algebra - Written books on polygonal numbers and various algebraic lemmas

Eratosthenes (276 BC - 195 BC)

**Area of Birth:**Cyrene

**Contributions to Mathematics:**

- Devised the Sieve of Eratosthenes, which is an algorithm for locating prime numbers from the numeral system
- Calculated the distance between the sun and the Earth, the tilt of the Earth's axis and the circumference of the Earth

**Contributions to Mathematics:**

- Father of geometry, collected geometric theories in a book called
**Euclid's Elements** - Collected and presented the various parts of Number theory
- Created Euclidean geometry and Euclid's lemma on factorization
- Proposed the Euclidean algorithm, which finds the GCD of 2 numerals

Hero or Heron (10 AD - 70 AD)

**Area of Birth:**Alexandria

**Contributions to Mathematics:**

- Created Hero's formula - area of a triangle can be calculated from its side lengths and semi-perimeter
- Invented a way to calculate square root iteratively
- First mathematician to observe the imaginary unit

**Contributions to Mathematics:**

- First mathematician to write a geometry textbook,
**Stoicheia Elements** - Created the lune of Hippocrates, a key geometrical figure
- Solved the issues associated with cube roots
- Invented the reduction method

Nicomedes (280 BC - 210 BC)

**Area of Birth:**Unknown

**Contributions to Mathematics:**

- Famous geometer, created the conchoid of Nicomedes
- Succeeded in finding out how to square a circle

Pappus (290 AD - 350 AD)

**Area of Birth:**Alexandria

**Contributions to Mathematics:**

- Proposed the Pappus hexagon theorem, Pappus's centroid theorem
- Created the Pappus chain, Pappus configuration and Pappus graph
- Compiled and wrote the
**Synagogue**or**Mathematical Collection**, 8 books written about findings and facts about Greek geometry

**Contributions to Mathematics:**

- Created the Pythagorean theorem - The sum of the squares of 2 sides of a right angled triangle is equal to the square of the hypotenuse
- Proposed that the planets and stars moved in accordance to math equations
- Created the Tetractys figure

Thales (624 or 625 BC - 547 or 546 BC)

**Area of Birth:**Miletus

**Contributions to Mathematics:**

- Used the concept of similar and right triangles to measure pyramids
- Used the method of
*seked*to measure distances of ships - Created Thales's Theorem - right angle exists between any 3 points on a circle, where a line between 2 of those points is the circle's diameter