2+-+Lyell,+Mach,+Mendeleev,+Heisenberg

Kay


 * Charles Lyell**
 * 14 November 1797 – 22 February 1875**
 * Birtish lawyer and the foremost geologist**
 * author of //Principles of Geology//**
 * suggested tge earth is much older than the biblical records contend.**
 * removed the miraculous hand of God from the physical development of the earth.**
 * the moral nature of humankind can be explained without appeal to God.**


 * Ernst Mach**
 * 1836-1916**
 * Austrian physicist and philosopher**
 * noted for his contributions to physics such as the Mach number and the study of shock numbers**
 * major influence on logical positivism**
 * published The Science of Mechanics**
 * urged that scientists consider their concepts descriptive not of the observer experiences.**
 * Scientists could describe only the sensations, not the physical world that underlay those sensations.**


 * Dimitri Mendeleev**
 * 8 February 1834 – 2 February1907**
 * a Russian chemist and inventor**
 * creator of the first version of the periodic table of elements**
 * predicted the properties of elements yet to be discovered**


 * Werner Heisenberg**
 * 5 December 1901 – 1 February 1976**
 * a German theoretical physicist who made foundational contributions to quantum mechanics**
 * best known for asserting the uncertainty principles of quantum theory.**
 * made important contributions to nuclear physics, quantum field theory, and particle physics**