5 René Descartes
French
Philosopher, Physicist and Mathematician Rene Descartes is best known for his
‘Cogito Ergo Sum’ philosophy. Despite this, the Frenchman, who lived 1596 to
1650, made ground breaking contributions to mathematics. Alongside Newton and
Leibniz, Descartes helped provide the foundations of modern calculus (which
Newton and Leibniz later built upon), which in itself had great bearing on the
modern day field. Alongside this, and perhaps more familiar to the reader, is
his development of Cartesian Geometry, known to most as the standard graph (Square
grid lines, x and y axis, etc.) and its use of algebra to describe the various
locations on such. Before this most geometers used plain paper (or another
material or surface) to preform their art. Previously, such distances had to be
measured literally, or scaled. With the introduction of Cartesian Geometry this
changed dramatically, points could now be expressed as points on a graph, and
as such, graphs could be drawn to any scale, also these points did not
necessarily have to be numbers. The final contribution to the field was his
introduction of superscripts within algebra to express powers. And thus, like
many others in this list, contributed to the development of modern mathematical
notation.
4 Euclid
Living
around 300BC, he is considered the Father of Geometry and his magnum opus:
Elements, is one the greatest mathematical works in history, with its being in
use in education up until the 20th century. Unfortunately, very little is known
about his life, and what exists was written long after his presumed death.
Nonetheless, Euclid is credited with the instruction of the rigorous, logical
proof for theorems and conjectures. Such a framework is still used to this day,
and thus, arguably, he has had the greatest influence of all mathematicians on
this list. Alongside his Elements were five other surviving works, thought to
have been written by him, all generally on the topic of Geometry or Number
theory. There are also another five works that have, sadly, been lost
throughout history.
3 G. F. Bernhard Riemann
Bernhard
Riemann, born to a poor family in 1826, would rise to become one of the worlds
prominent mathematicians in the 19th Century. The list of contributions to
geometry are large, and he has a wide range of theorems bearing his name. To
name just a few: Riemannian Geometry, Riemannian Surfaces and the Riemann
Integral. However, he is perhaps most famous (or infamous) for his legendarily
difficult Riemann Hypothesis; an extremely complex problem on the matter of the
distributions of prime numbers. Largely ignored for the first 50 years
following its appearance, due to few other mathematicians actually
understanding his work at the time, it has quickly risen to become one of the
greatest open questions in modern science, baffling and confounding even the greatest
mathematicians. Although progress has been made, its has been incredibly slow.
However, a prize of $1 million has been offered from the Clay Maths Institute
for a proof, and one would almost undoubtedly receive a Fields medal if under
40 (The Nobel prize of mathematics). The fallout from such a proof is
hypothesized to be large: Major encryption systems are thought to be breakable
with such a proof, and all that rely on them would collapse. As well as this, a
proof of the hypothesis is expected to use ‘new mathematics’. It would seem
that, even in death, Riemann’s work may still pave the way for new
contributions to the field, just as he did in life.
2 Carl Friedrich Gauss
Child
prodigy Gauss, the ‘Prince of Mathematics’, made his first major discovery
whilst still a teenager, and wrote the incredible Disquisitiones Arithmeticae,
his magnum opus, by the time he was 21. Many know Gauss for his outstanding
mental ability – quoted to have added the numbers 1 to 100 within seconds
whilst attending primary school (with the aid of a clever trick). The local
Duke, recognizing his talent, sent him to Collegium Carolinum before he left
for Gottingen (at the time it was the most prestigious mathematical university
in the world, with many of the best attending). After graduating in 1798 (at
the age of 22), he began to make several important contributions in major areas
of mathematics, most notably number theory (especially on Prime numbers). He
went on to prove the fundamental theorem of algebra, and introduced the
Gaussian gravitational constant in physics, as well as much more – all this
before he was 24! Needless to say, he continued his work up until his death at
the age of 77, and had made major advances in the field which have echoed down
through time.
1
Leonhard Euler
If Gauss is
the Prince, Euler is the King. Living from 1707 to 1783, he is regarded as the
greatest mathematician to have ever walked this planet. It is said that all
mathematical formulas are named after the next person after Euler to discover
them. In his day he was ground breaking and on par with Einstein in genius. His
primary (if that’s possible) contribution to the field is with the introduction
of mathematical notation including the concept of a function (and how it is
written as f(x)), shorthand trigonometric functions, the ‘e’ for the base of
the natural logarithm (The Euler Constant), the Greek letter Sigma for
summation and the letter ‘/i’ for imaginary units, as well as the symbol pi for
the ratio of a circles circumference to its diameter. All of which play a huge
bearing on modern mathematics, from the every day to the incredibly complex.
As well as
this, he also solved the Seven Bridges of Koenigsberg problem in graph theory,
found the Euler Characteristic for connecting the number of vertices, edges and
faces of an object, and (dis)proved many well known theories, too many to list.
Furthermore, he continued to develop calculus, topology, number theory,
analysis and graph theory as well as much, much more – and ultimately he paved
the way for modern mathematics and all its revelations. It is probably no
coincidence that industry and technological developments rapidly increased
around this time.
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