ATOMIC HISTORY

DEMOCRITUS

• 460B.C-- 370B.C
• Formulation of atomic theory- 400B.C

JOHN DALTON

• Born: Septemeber 6, 1766(UK)
• Died: July 27, 1844 (UK)
• He was a chemist and he developed the
• Modern atomic theory

DMITRI MENDELEEV

• Born: February 8, 1834 (Russia)
• Died: February 2, 1907 (Russia)
• Created his own verison of the Periodic Table

J.J THOMSON

• Born: December 18, 1856 (UK)
• Died: August 30, 1940 (UK)
• Discovered the Identification of Electrons

ALBERT EINSTEIN

• Born: March 14, 1879 (Germany)
• Died: April 18, 1955 (New Jersey)
• Made the general theory of Reletivity

ERNEST RUTHERFORD

• Born: August 30, 1871 (New Zealand)
• Died: October 19, 1962 (UK)
• The father of Nuclear Physiscs

NIELS BOHR

• Born: October 7, 1885 (Denmark)
• Died: Novemeber 18, 1962 (Denmark)
• Understanding of the Atomic Structure

JAMES CHADWICK

• Born: October 20, 1891 (UK)
• Died: July 24 1974 (UK)
• Discovered the Neutron

LISE MEITNER & OTTO HAHN

• Lise Born: November 7, 1878 (Austria)
• Lise Died: October 27, 1968 (UK)
• Otto Born: March 8, 1879 (Germany)
• Otto Died: July 28, 1968 (Germany)
• They both discovered Nuclear Dission

J. ROBERT OPPENHEIMER

• Born: April 22, 1904 (New York)
• Died: February 18, 1967 (New Jersey)
• Made the atomic bomb a.k.a The Ftaher of the Atomic bomb