-
500 BCE
alchemist
-Europe, Egypt, Asia
-transmute common elements into gold purify certain objects
-500-400 B.C.
-beginning of western alchemy can be seen in Alexandrio -
465 BCE
Democritus
- Abdera, Thrace
- remembered for his formulation of the atomic theory of the universe (465 B.C) -he aged to be 90 years old
-
348 BCE
Aristotle
-athens
-believed that materials were made of earth, fire, water, and air (348 BC)
-he also studied in medicine -
laviosier
-paris, france
-recognized the name oxygen and hydrogen, predicted the existence of silicon, and established sulfur was an element rather than a compound (1777)
-he was a powerful member of aristocrat councils -
coulomb
-france
-developed coulomb's law in 1785
-he was uncharge of building fort bourbon -
John Dalton
-manchester, england
-made the atomic theory (1807)
began teaching kids at age 12 -
crookes
-london, france
-invented crookes tube and crookes radiometer (1875)
-pioneer in vacuum tubes -
Eugen Goldstein
-Hemhults, Berlin
-discovered anode rays (1886)
-he won the hughes medal -
becquerel
-france
-discovered radioactivity (1896)
-he worked with marie sktodowski-curie, and pierre curie -
J.J thomson
-trinity college Cambridge, England
-revolutionized the knowledge of atomic structure by his discover of the electron
-1897
- born December 18, 1865 -
Max Planck
-Berlin university, munich, Germany
Plancks law of black body radiation, founder of quantum theory
-1900,1918
-born april 23rd 1858 -
w.k. roentgen
-zurich, Germany
-first to produce x-rays (1901)
-won a nobel prize in physics -
the curies
-france
-drew the conclusion that the ability to radiate did not depend on the arrangement of the atoms in a molecule
-first person to be honored with 2 nobel prizes in physics and chemistry -
Geiger
-university of Erlangen, Germany
-inventor of Geiger counter to measure radiation, first detector of alpha particles
-1908,1928
-once helped Germans build an atomic bomb -
Niels bohr
-copenhagen, Denmark
-made foundational contributions to understanding atomic structure and quantum theory (1911)
he won a nobel prize in physics -
ernest rutherford
-new Zealand,england, Canada
-pioneer of nuclear physics, the first to split the atom
-1911
element 104 is named after him -
Lise Meitner
-berlin, Germany
-discover of uranium fission, discovered the protactinium
-1918
-meitnerium element 104 named after him -
robert milikan
-san mario, california
-american physicist best know for measuring the charge on the electron
-won nobel prize in 1923 -
Erwin Shrodinger
-stuttggart, Germany, Wroclaw Poland
-Shrodingers wave equation
-1926
-homeschooled till age 11 -
james chadwick
-Cambridge, England
-discovery of neutron
-1932
-couldn't afford private grammar school -
Otto Hahn
-Marbug, Germany
-discovered radiochemical proof of nuclear fission (1944)
-he was an opponent of the Jewish prosecution by the nazi party -
murray gell-mann and George zweig
-california
-independently proposed the existence of the subatomic particles know as quarks
-gellman spoke 13 languages
-george was jewish -
einstein
-germany university
-developed the general theory of relatively
-in 1915
-was a slow learner and spoke very slowly -
Glenn T. Seaborg
-Lawrence radiation laboratory, university of Berkley, California
-isolating and identytifing transuranium elements
-1939
-2nd most popular scientist from michigan
