-
460
Democritus
Democritus lived between 460bc to 370bc. The theory of Democritus and Leucippus held that everything is composed of "atoms", which are physically, but not geometrically, indivisible; that between atoms, there lies empty space; that atoms are indestructible; have always been, and always will be, in motion; that there are an infinite number of atoms, and kinds of atoms, which differ in shape, and size. Of the mass of atoms, Democritus said "The more any indivisible exceeds, the heavier it is" -
Jun 10, 600
kanada
6th sentury. It was Kanada who originated the idea that anu (atom) was an indestructible particle of matter.[5] An interesting story states that this theory occurred to him while he was walking with food in his hand. As he nibbled at the food in his hand, throwing away the small particles, it occurred to him that he could not divide the food into further parts and thus the idea of a matter which cannot be divided further came into existence. He called that indivisible matter anu. -
Issac Newton
born 25th december 1642- 20th march 1727. Newton's principa formulated the laws of mothing and universal gravitation that dominated scientists' view of the psyical universe for the next three centuries. Newton built the first reflecting telescope and made a theory of colour based on the observation that a prism decomposes white light into the many colours of the visible spectrum -
rudur boskovic
born 1711 died 1787 rudur made a precursor of atomic theory and made many contributions to astronomy, including the first geometric procedure for determining the equator of a rotating planet from three observations of a surface feature and for computing the orbit of a planet from three observations of its position. In 1753 he also discovered the absence of the atmosphere on the moon. -
Antoine lavoisier
born 26th august 1743- died 8th of may 1794. the "father of modern chemistry He named both oxygen, hydrogen and predicted silicon He discovered that, although matter may change its form or shape, its mass always remains the same, he also made the periodic table -
Joseph Proust
born 26th september 1754- died 5th july 1826. Proust’s largest accomplishment was creating elements from water. He put hydrogen into the realm of science was disproving Berthollet with the law of definite proportions, which is sometimes also known as Proust's Law. Proust studied copper carbonate and created gold -
John Dalton
born 6th december 1766- died 27th of july 1844. He is best known for his pioneering work in the development of modern atomic theory, and his research into colour blindness (sometimes referred to as Daltonism, in his honour). Dalton was elected a member of the Manchester Literary and Philosophical Society a few weeks later he communicated his first paper on "Extraordinary facts relating to the vision of colours", in which he postulated that shortage in colour.
