en.wikipedia.org/wiki/Pythagoras

Pythagoras of Samos (c. 570 – c. 495 BC) was an ancient Ionian Greek philosopher and the eponymous founder of Pythagoreanism.His political and religious teachings were well known in Magna Graecia and influenced the philosophies of Plato, Aristotle, and, through them, Western philosophy.Knowledge of his life is clouded by legend, but he appears to have been the son of Mnesarchus, a gem ...

www.reference.com/world-view/pythagoras-contribution-mathematics-6fb8df5d305e1b24

Pythagoras was born around 569 B.C. in Samos, Greece. Aside from his work in mathematics, Pythagoras also made contributions to music theory and related music with mathematics. Pythagoras died some time between 500 and 475 B.C.

www.famousmathematicians.net/pythagoras

Pythagoras was a classical Greek mathematician and philosopher. He was considered to be the founder of the movement called Pythagoreanism. A lot of his work was stored in the form of written discourse centuries after he lived. Hence, not much reliable information had been gathered on that front. He was born in 570 century B.C […]

www.britannica.com/biography/Pythagoras

Pythagoras, (born c. 570 bce, Samos, Ionia [Greece]—died c. 500–490 bce, Metapontum, Lucanium [Italy]), Greek philosopher, mathematician, and founder of the Pythagorean brotherhood that, although religious in nature, formulated principles that influenced the thought of Plato and Aristotle and contributed to the development of mathematics ...

www.mathopenref.com/pythagoras.html

Pythagoras recognized that the morning star was the same as the evening star, Venus. Pythagoras studied odd and even numbers, triangular numbers, and perfect numbers. Pythagoreans contributed to our understanding of angles, triangles, areas, proportion, polygons, and polyhedra. Pythagoras also related music to mathematics.

www.storyofmathematics.com/greek_pythagoras.html

PYTHAGORAS OF SAMOS Pythagoras of Samos (c.570-495 BCE) Biography – Who was Pythagoras It is sometimes claimed that we owe pure mathematics to Pythagoras, and he is often called the first “true” mathematician. But, although his contribution was clearly important, he nevertheless remains a controversial figure. He left no mathematical writings himself, and much of […]

www.thefamouspeople.com/profiles/pythagoras-504.php

Pythagoras was an Ionian philosopher and mathematician, born in sixth century BC in Samos. Most of the information available today has been recorded a few centuries after his death and as a result, many of the available accounts contradict each other.

www.ancienthistorylists.com/people/top-contributions-pythagoras

Here is a list of the top 11 contributions of Pythagoras: 1. Metempsychosis. Even though the details of Pythagoras’ lessons remain unknown, it is possible to get a general idea from other sources such as Aristotle, who writes about the lessons of the Pythagoreans without referencing Pythagoras directly.

www.thoughtco.com/pythagoras-biography-3072241

Besides his contributions to mathematics, Pythagoras's work was essential to astronomy. He felt the sphere was the perfect shape. He also realized the orbit of the Moon was inclined to Earth's equator, and deduced that the evening star (Venus) was the same as the morning star.

www.quora.com/What-were-the-mathematical-contributions-of-Pythagoras

Pythagoras is most famous for his concept of geometry. It is believed that he was first to establish that the sum of the angles of a triangle is equal to two right angles and that for a right-angled triangle the square on the hypotenuse is equal t...