Why is Robert Boyle referred to as a founder of modern Chemistry?

Robert Boyle was a famous Anglo lrish scientist who transformed chemistry in the 17th century. Till then, chemistry was confined to alchemy and mysticism.

Alchemy was the study of how to change basic substances such as metals into other more valuable substances. Boyle made chemistry a science based on measurement.

He defined elements, compounds and mixtures and he coined the new term 'chemical analysis,' a field in which he made

several contributions. Robert Boyle is most famous for Boyle's Law. It was the first of the gas laws linking the pressure of a gas to its volume. He established that electrical forces are transmitted through a vacuum, but sound is not.

Boyle also stated that the movement of particles is responsible for heat. He was the first person to write specific experimental guidance for other scientists, telling them the importance of achieving reliable results. He was indeed a 'mighty chemist'.

Robert Boyle is regarded as the first modern chemist, and is referred to as one of the founders of modern chemistry.

Why is Alhazen known as the pioneer of modern optics?

Born in the tenth century AD, Alhazen was an Arab who was known as the first true scientist. He developed the scientific method of experimentation, and was the first person to formulate hypothesis and conduct verifiable experiments. A scientist, philosopher, astronomer, and mathematician, Alhazen wrote over a hundred books, more than half of which have been preserved. One of his most influential writings was in the field of optics. In this book Alhazen gave experimental proof of the nature of light, the structure of the eye and the basic principles of reflection via mirror. He stated that contrary to popular belief, the eye does not send out rays to the object it sees. Rather it is the light reflected via the object that the eye beholds. This was a completely new and revolutionary concept. The book comprises sevenvoles, and was translated into Latin.

Why is Pythagoras considered one of the greatest scientists of all time?

Pythagoras was an Ancient Greek mathematician and philosopher who lived more than 500 years before Christ. He spent most of his life in the Greek colonies in Sicily and southern Italy. He was also a philosopher, and founder of the religious movement called Pythagoreanism. Pythagoras had a group of disciples who followed him around, and taught other people what he had taught them. He made crucial contributions to modern philosophy, as well as mathematics, science, and religious mysticism. It is also believed that he had a significant influence on medicine, music, astronomy, and divination. Pythagoras is best known for the mathematical theory named after him. He is without doubt, one of the greatest scientists not only of the ancient world, but of all time.

Who was Paracelsus?

Paracelsus was a renowned German physicist, and botanist of Swiss origin. His path breaking findings in botany and medicine made him a pioneer in his field. Paracelsus became a notable physician in the early 16th century. He rejected most of the prevalent and widely accepted worlo views, and magic theories of medicine. While working on medicines, Paracelsus brought together the use of chemicals in medicines. In 1526, he coined the term 'zincum' for the chemical element zinc. He is also known for discovering laudanum' which is an alcoholic herbal preparation. Paracelsus was a strict follower, and a firm believer of the classical Greek concept of elements. However, he added his own findings to this concept. Paracelsus' real name was Philippus von Hohenheim. The name 'Paracelsus' was actually a nickname. It means 'equal to or greater than Celsus' and refers to his medical skill.

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