Euclid
Euclid
Euclid, sometimes called Euclid of Alexandria to distinguish him from Euclid of Megara, was a Greek mathematician, often referred to as the "father of geometry". He was active in Alexandria during the reign of Ptolemy I. His Elements is one of the most influential works in the history of mathematics, serving as the main textbook for teaching mathematicsfrom the time of its publication until the late 19th or early 20th century. In the Elements, Euclid deduced the principles of what is...
NationalityGreek
ProfessionScientist
pain balance legs
Better balance, less pain and less restless leg syndrome.
numbers prime-numbers prime
A prime number is one (which is) measured by a unit alone.
whole greater
And the whole is greater than the part.
giving gains geometry
Give him threepence, since he must make a gain out of what he learns.
lines mathematics length
A line is length without breadth.
fall science two
That, if a straight line falling on two straight lines makes the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which the angles are less than two right angles.
royal geometry
Sire, there is no royal road to geometry.
equal
Things which are equal to the same thing are also equal to one another.
science squares triangles
In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.
mathematics
QED - Quod erat demonstrandum.
nature math law
The laws of nature are but the mathematical thoughts of God.