John Dalton FRS (/ ˈdɔːltən /; 5 or 6 September 1766 – 27 July 1844) was an English chemist, physicist, and meteorologist whose work laid the foundations of modern atomic theory and stoichiometric …

Nov 28, 2025 · John Dalton, English meteorologist and chemist, a pioneer in the development of modern atomic theory. His theory was notable for, among other things, positing that each element had its …

Although a schoolteacher, a meteorologist, and an expert on color blindness, John Dalton is best known for his pioneering theory of atomism. He also developed methods to calculate atomic weights and …

Dalton's most significant contribution to science was his development of modern atomic theory. In 1803, he proposed that all matter is composed of small, indivisible particles called atoms.

Dalton is best known for his formulation of the atomic theory, which clarified our understanding of how atoms combine to form compounds, and how atoms may form new combinations during chemical …

John Dalton was a Manchester-based scientist whose pioneering work greatly advanced our understanding in multiple fields of research, including atomic theory, colour blindness and meteorology.

In 1804, English chemist and physicist John Dalton introduced an atomic model to understand the composition of matter. According to this theory, all compounds are made of indivisible particles, …

Apr 2, 2014 · Chemist John Dalton is credited with pioneering modern atomic theory. He was also the first to study color blindness.

Jun 9, 2025 · John Dalton developed the modern atomic theory that explained matter as being made of tiny atoms. Dalton's Atomic Theory includes ideas like atoms are small and indestructible and obey …

Experiments with gases that first became possible at the turn of the nineteenth century led John Dalton in 1803 to propose a modern theory of the atom based on the following assumptions. 1. Matter is …