Sierra Leone: A Nation Collapses
Updated August 5, 2020 |
Infoplease Staff
Astronomers, astrophysicists, chemists, and physicists
Astronomers
- Adams, John Couch
- Al-Battani
- Al-Farghani
- Amici, Giovanni Battista
- Aristarchus of Samos
- Asada Goryu
- Barnard, Edward Emerson
- Bessel, Friedrich Wilhelm
- Bode, Johann Elert
- Bond, George Phillips
- Bond, William Cranch
- Brahe, Tycho
- Burbidge, Margaret
- Cannon, Annie Jump
- Celsius, Anders
- Clark, Alvan
- Clavius, Cristoph
- Copernicus, Nicholas
- Donati, Giovanni Battista
- Dyson, Sir Frank Watson
- Eddington, Sir Arthur Stanley
- Encke, Johann Franz
- Eudoxus of Cnidus
- Galileo
- Galle, Johann Gottfried
- Hale, George Ellery
- Halley, Edmond
- Herschel
- Hertzsprung, Ejnar
- Hevelius, Johannes
- Hipparchus, Greek astronomer
- Horrocks, Jeremiah
- Hubble, Edwin Powell
- Kepler, Johannes
- Laplace, Pierre Simon, marquis de
- Lemaître, Georges, Abbé
- Leverrier, Urbain Jean Joseph
- Lockyer, Sir Joseph Norman
- Lowell, Percival
- Maskelyne, Nevil
- Mayer, Johan Tobias
- Mitchell, Maria
- Newcomb, Simon
- Olbers, Heinrich Wilhelm Matthäus
- Oort, Jan Hendrik
- Piazzi, Giuseppe
- Picard, Jean
- Pickering, Edward Charles
- Pickering, William Henry
- Ptolemy
- Ritchey, George Willis
- Rømer, Olaus
- Russell, Henry Norris
- Sagan, Carl Edward
- Schiaparelli, Giovanni Virginio
- Shklovsky, Iosif Samuilovich
- Sitter, Willem de
- Slipher, Vesto Melvin
- Tombaugh, Clyde W.
- Ulugh-Beg
Astrophysicists
- Abbot, Charles Greeley
- Chandrasekhar, Subrahmanyan
- Eddington, Sir Arthur Stanley
- Fowler, William Alfred
- Hawking, Stephen William
- Hoyle, Sir Fred
- Lemaître, Georges, Abbé
- Menzel, Donald Howard
- Ride, Sally K.
Chemists
- Abel, Sir Frederick Augustus
- Arrhenius, Svante August
- Atwater, Wilbur Olin
- Baekeland, Leo Hendrik
- Barton, Derek H. R.
- Berthelot, Pierre Eugène Marcelin
- Berthollet, Claude Louis, Comte
- Berzelius, Jöns Jakob, Baron
- Böttger, Johann Friedrich
- Boyle, Robert
- Brongniart, Alexandre
- Bunsen, Robert Wilhelm
- Cannizzaro, Stanislao
- Carothers, Wallace Hume
- Cavendish, Henry
- Chaptal, Jean Antoine
- Cori, Carl Ferdinand
- Cram, Donald J.
- Cronstedt, Axel Fredrik, Baron
- Crookes, Sir William
- Curie
- Dalton, John
- Dam, Henrik
- Davy, Sir Humphry
- Dewar, Sir James
- Djerassi, Carl
- Doisy, Edward Adelbert
- Draper, John William
- du Vigneaud, Vincent
- Erlenmeyer, Richard A. C. E.
- Frankland, Sir Edward
- Funk, Casimir
- Gay-Lussac, Joseph Louis
- Glauber, Johann Rudolf
- Graham, Thomas
- Haber, Fritz
- Hahn, Otto
- Hassel, Odd
- Helmont, Jan Baptista van
- Hodgkin, Dorothy Mary Crowfoot
- Hoffmann, Roald
- Hofmann, August Wilhelm von
- Hopkins, Sir Frederick Gowland
- Jabir
- Kekulé von Stradonitz, Friedrich August
- Klaproth, Martin Heinrich
- Kuhn, Richard
- Langmuir, Irving
- Laurent, Auguste
- Lavoisier, Antoine Laurent
- Le Châtelier, Henri Louis
- Lehn, Jean-Marie
- Lewis, Gilbert Newton
- Libby, Willard Frank
- Liebig, Justus, Baron von
- Macintosh, Charles
- Magnus, Heinrich Gustav
- Marggraf, Andreas Sigismund
- Mendeleev, Dmitri Ivanovich
- Merrifield, Robert Bruce
- Meyer, Julius Lothar
- Morley, Edward Williams
- Nernst, Walther Hermann
- Newlands, John Alexander Reina
- Niepce, Joseph Nicéphore
- Nobel, Alfred Bernhard
- Oersted, Hans Christian
- Ostwald, Wilhelm
- Paneth, Friedrich Adolf
- Paracelsus, Philippus Aureolus
- Pasteur, Louis
- Pauling, Linus Carl
- Pelletier, Pierre Joseph
- Perkin, Sir William Henry
- Priestley, Joseph
- Proust, Joseph Louis
- Prout, William
- Ramsay, Sir William
- Richards, Ellen Henrietta Swallow
- Rowland, F. Sherwood (Sherry)
- Sanger, Frederick
- Scheele, Karl Wilhelm
- Seaborg, Glenn Theodore
- Soddy, Frederick
- Solvay, Ernest
- Sörensen, Sören Peter Lauritz
- Swan, Sir Joseph Wilson
- Tennant, Smithson
- Urey, Harold Clayton
- Welsbach, Carl Auer, Baron von
- Wiley, Harvey Washington
- Williams, Roger John
- Windaus, Adolf
- Wöhler, Friedrich
- Wollaston, William Hyde
- Woodward, Robert Burns
- Wurtz, Charles Adolphe
Physicists
- Abbe, Ernst
- Alvarez, Luis Walter
- Ampère, André Marie
- Anderson, Carl David
- Anderson, Philip Warren
- à ngström, Anders Jöns
- Arago, Dominique François
- Archimedes
- Arsonval, Arsène d'
- Avogadro, Amedeo, conte di Quaregna
- Bardeen, John
- Basov, Nikolai Gennadiyevich
- Beccaria, Giambattista
- Becquerel
- Bednorz, Johannes Georg
- Bethe, Hans Albrecht
- Bhabha, Homi Jehangir
- Binnig, Gerd
- Birkeland, Kristian
- Bjerknes, Vilhelm Frimann Koren
- Bohr, Aage Niels
- Bohr, Niels Henrik David
- Boltzmann, Ludwig
- Boyle, Robert
- Bragg, Sir William Henry
- Bragg, Sir William Lawrence
- Braun, Karl Ferdinand
- Broglie, Louis Victor, duc de
- Carnot, Nicolas Léonard Sadi
- Cavendish, Henry
- Chadwick, Sir James
- Charles, Jacques Alexandre César
- Cherenkov, Pavel Alekseyevich
- Chladni, Ernst Florens Friedrich
- Clausius, Rudolf Julius Emanuel
- Compton, Arthur Holly
- Cormack, Allan MacLeod
- Coulomb, Charles Augustin de
- Curie
- Daguerre, Louis Jacques Mandé
- Dirac, Paul Adrien Maurice
- Drebbel, Cornelis Jacobszoon
- Duhem, Pierre Maurice Marie
- Ehrenfest, Paul
- Einstein, Albert
- Faraday, Michael
- Fechner, Gustav Theodor
- Fermi, Enrico
- Feynman, Richard Phillips
- Fitzgerald, George Francis
- Fizeau, Armand Hippolyte Louis
- Foucault, Jean Bernard Léon
- Franck, James
- Fresnel, Augustin Jean
- Friedman, Jerome Isaac
- Fuchs, Klaus Emil
- Galileo
- Gamow, George
- Geiger, Johannes Wilhelm
- Gell-Mann, Murray
- Gibbs, Josiah Willard
- Goddard, Robert Hutchings
- Grimaldi, Francesco Maria
- Guericke, Otto von
- Hansen, William Webster
- Hawking, Stephen William
- Heaviside, Oliver
- Heisenberg, Werner
- Helmholtz, Hermann Ludwig Ferdinand von
- Henry, Joseph
- Hertz, Heinrich Rudolf
- Hess, Victor Francis
- Hevesy, Georg von
- Hooke, Robert
- Huygens, Christiaan
- Joliot-Curie
- Joule, James Prescott
- Kamerlingh Onnes, Heike
- Kelvin, William Thomson, 1st Baron
- Kendall, Henry Way
- Kirchhoff, Gustav Robert
- Landau, Lev Davidovich
- Lawrence, Ernest Orlando
- Lebedev, Pyotr Nikolaevich
- Lederman, Leon Max
- Lindemann, Frederick Alexander
- Lorentz, Hendrik Antoon
- Mach, Ernst
- Marconi, Guglielmo, Marchese
- Mariotte, Edme
- Maxwell, James Clerk
- Mayer, Julius Robert von
- McMillan, Edwin Mattison
- Meitner, Lise
- Michelson, Albert Abraham
- Millikan, Robert Andrews
- Moseley, Henry Gwyn Jeffreys
- Müller, Karl Alexander
- Newton, Sir Isaac
- Nollet, Jean Antoine
- Oersted, Hans Christian
- Ohm, Georg Simon
- Oppenheimer, J. Robert
- Papin, Denis
- Pauli, Wolfgang
- Penzias, Arno Allan
- Piccard, Auguste
- Planck, Max
- Poynting, John Henry
- Prokhorov, Aleksandr Mikhailovich
- Pupin, Michael Idvorsky
- Raman, Sir Chandrasekhara Venkata
- Rayleigh, John William Strutt, 3d Baron
- Réaumur, René Antoine Ferchault de
- Richter, Burton
- Roentgen, Wilhelm Conrad
- Rohrer, Heinrich
- Rubbia, Carlo
- Rumford, Benjamin Thompson, Count
- Rutherford, Ernest Rutherford, 1st Baron
- Saha, Meghnad
- Sakharov, Andrei Dmitriyevich
- Schawlow, Arthur Leonard
- Schrödinger, Erwin
- Shockley, William Bradford
- Stefan, Josef
- Steinberger, Jack
- Szilard, Leo
- Taylor, Richard E.
- Teller, Edward
- Thomson, Sir Joseph John
- Torricelli, Evangelista
- Tyndall, John
- Van de Graaff, Robert Jemison
- van der Meer, Simon
- van der Waals, Johannes Diderik
- Volta, Alessandro, Conte
- Weber, Wilhelm Eduard
- Wheatstone, Sir Charles
- Wheeler, John
- Wigner, Eugene Paul
- Wilson, Charles Thomson Rees
- Wood, Robert Williams
- Young, Thomas
- Zeeman, Pieter
- Zworykin, Vladimir Kosma
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