Anaximenes. -c570BC. Miletan (Gr) philosopher: quantitive differences of substances. All matter is air.

Avogadro, Amadeo. 1776-1856. PV=nRT. Number of molecules in a given quantity of gas 1811.

Bohr, Niels. 1885-1962. Danish atomic physicist. Electron quantum levels, 1913.

Born, Max. 1882-1970. German/British quantum physicist. Mathematics of atom behavior.

Dirac, Paul. 1902-84. English quantum physicist.

Einstein, Albert. 1879-1955. German/Swiss/US physicist. Special Theory of Relativity 1905. Quantum theory 1905. General Theory of Relativity 1916. Pacifist, Zionist.

Heisenberg, Werner. 1901-76. German quantum physicist: Uncertainty Principle 1927.

Planck, Max. 1858-1947. German physicist. Defined energy quantum 1900.

Quant, Mary. 1934-. English fashion designer. Miniskirt.

Quantrill, William. 1837-65. Confederate guerilla leader of 1863 massacre at Lawrence, Kansas.

Quantum Theory. Energy levels are discontinuous. Foundation of modern physics. Planck 1900. Bohr.

Squanto. -1622. American Indian friend of Plymouth Pilgrims.