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Scientist Quotations Index for Initial L

This dictionary includes science quotes from archaeologists, biologists, chemists, geologists, inventors and inventions, mathematicians, physicists plus pioneers in medicine, science events and technology.

A scientist quotation page heading may include a link to a short biography of the scientist or description of the event corresponding to a day in Science History.

Jean de La Bruyère
Nicolas Louis de Lacaille
Jacques Lacan
Bernard-Germain-Étienne Lacépède
David L. Lack
Charles-Marie de La Condamine
Henri-Dominique Lacordaire
Rudolph Ladenburg
René Laënnec
Raphael Aloysius Lafferty
Jean de La Fontaine
Adelaïde Blaise François Le Lièvre de La Grange
Count Joseph-Louis de Lagrange
Fiorello La Guardia
R. D. Laing
Charles-Ange Laisant
Imre Lakatos
Jérôme Lalande
Dalai Lama
Jean-Baptiste Lamarck
Charles Lamb
Sir Horace Lamb
William Lamb (Lord Melbourne)
Johann Heinrich Lambert
Julien Offray de La Mettrie
Norman Lamm
Louis L'Amour
Emil Lampe
Karl Gottfried Lamprecht
Agrippa Menenius Lanatus
Cornelius Lanczos
Edwin Herbert Land
Jennifer Land
Edmund Landau
Susan Landau
David S. Landes
Eugene Landis
Geoffrey A. Landis
Peter Theodore Landsberg
Karl Landsteiner
Rose Wilder Lane
Guido Lanfranchi
Andrew Lang
Serge Lang
Susanne K. Langer
Rudoph E. Langer.
Paul Langevin
William Langland
Edward Mann Langley
John Langley
Samuel Pierpont Langley
Alexander Langmuir
Irving Langmuir
Sir Edwin Ray Lankester
Robert Lanza
Isaac de la Peyrère
Lewis H. Lapham
Pierre-Simon Laplace
Ralph Eugene Lapp
Francis Lappé
Charles Lapworth
François de La Rochefoucauld
Christopher Lasch
Tommy Lasorda
Harold Dwight Lasswell
Peter Mere Latham
Lewis Latimer
Maria La Touche
Robert Latta
Max von Laue
Peter J. Laurence
William L. Laurence
André Du Laurens
Auguste Laurent
Johann Kaspar Lavater
Alphonse Laveran
Antoine-Laurent Lavoisier
William Law
D.H. Lawrence
Ernest Orlando Lawrence
T. E. Lawrence
William Lawrence
Moritz Lazarus,
Sir Edmund Ronald Leach
Stephen Leacock
Admiral William D. Leahy
Louis S.B. Leakey
Mary Douglas Leakey
Richard E. Leakey
Mary Leapor
Edward Lear
William P. Lear
Timothy Francis Leary
Valentin Lebedev
Henri-Léon Lebesgue
Gustave Le Bon
Fran Lebowitz
Stanislaw Jerzy Lec
William Lecky
Pierre Lecomte du Noüy
Joseph LeConte
Charles Lederer
Leon M. Lederman
Robert S. Ledley
Daniel Lednicer
Bruce Lee
Tsung-Dao Lee
Yuan T. Lee
Jack J. Leedy
Arie Leegwater
Sybil Leek
Antonie van Leeuwenhoek
Arthur Lefevre
Julien Jean César Legallois
Adrien-Marie Legendre
Jacques Le Goff
Ursula K. Le Guin
Arnold Lehman
Inge Lehmann
Tom Lehrer
Gottfried Wilhelm Leibniz
Ludwig Leichhardt
Joseph Leidy
Murray Leinster
William Leitch
François Le Lionnais
Luis Federico Leloir
Stanislaw Lem
Monsignor Georges Lemaître
Nicolas Lémery
Philipp Lenard
Vladimir Lenin
Sir John Edward Lennard-Jones
John Lennon
William J. le Noble
Aleksey Arkhipovich Leonov
Aldo Leopold
Arthur Lerner
Max Lerner
Alaine René Le Sage
Sir John Leslie,
Stanislaw Lesniewski
Vicomte Ferdinand, de Lesseps
King Stanislaus Leszcynski
Stanislaw I Leszczynski
David Letterman
Jerome Ysroael Lettvin
Leucippus
Rudolf Leuckart
Simon LeVay
Aaron Levenstein
William Lever
Primo Levi
Rita Levi-Montalcini
Lowell S. Levin
Richard Levins
Cyrus Levithal
Carolina Levis
Claude Lévi-Strauss
Theodore Levitt
Hyman Levy
George Henry Lewes
Kurt Lewin
Peter Lewin
Roger Lewin
C.S. Lewis
George Cornewall Lewis
Gilbert Newton Lewis
Ron Lewis
Sir Thomas Lewis
Warren K. Lewis
Wyndham Lewis
Richard Lewontin
Willy Ley
William Leybourn
Andreas Libavius
Willard Frank Libby
Albert J. Libchaber
Georg Christoph Lichtenberg
James Lick
J.C.R. Licklider
Sophus Lie
Justus von Liebig
John H. Lienhard
Györgi Ligeti
Lightning Seeds
David E. Lilienthal
Otto Lilienthal
Gordon G. Lill
Sam Lilley
John C. Lilly
Bonnie Lin
Maya Ying Lin
Abraham Lincoln
James Lind
Anne Morrow Lindbergh
Charles A. Lindbergh
Frederick Alexander Lindemann (Lord Cherwell)
Aristid Lindenmayer
Carl E. Linderholm
Susan Lindquist
Sten Lindroth
S. E. Lindsay
Sam Linial
John E. Link
Carolus Linnaeus
Lion King
Joseph Liouville
Gabriel Lippmann
Walter Lippmann
Holly Lisle
Hans Lissmann
Lord Joseph Lister
Arthur D. Little
Charles E. Little
Clarence Cook Little
Dudley E. Littlewood
J. E. Littlewood
Dame Penelope Lively
Grey Livingston
David Lloyd George
Nikolay Ivanovich Lobachevsky
John Locke
Francis Lockier
Sir Joseph Norman Lockyer
Sir Oliver Joseph Lodge
Jacques Loeb
Friedrich August Johannes Loeffler
Bert James Loewenberg
Otto Loewi
Raymond Loewy
Mikhail Lomonosov
Heinz London
Jack London
Lazarus Long
Malcolm Sim Longair
Warfield Theobald Longcope
Henry Wadsworth Longfellow
Jack Longino
Chester R. Longwell
Henry Lonsdale
Dame Kathleen Lonsdale
Edward Lorenz
Konrad Lorenz
Joseph Loschmidt
Hermann Rudolph Lotze
Jason Love
H. P. Lovecraft
Arthur Oncken Lovejoy
Thomas E. Lovejoy
Sir Bernard Lovell
Jim Lovell
James E. Lovelock
Joseph Lovering
Amory B. Lovins
L. Hunter Lovins
James Russell Lowell
Percival Lowell
Robert H. Lowie,
John Lubbock (Lord Avebury)
Keith Lucas
Lucian of Samosa
Titus Lucretius
Reuben Ludlam
Carl Friedrich Wilhelm Ludwig
Rolf Luft
Jean-Pierre Luminet
Joanna Lumley
George A. Lundberg
Salvador Luria
Martin Luther
Bob Lutz
André Michel Lwoff
Wadimir Lyakhov
Sir Charles Lyell
Arthur Lynch
Robert Staughton Lynd
Oren Lyons

In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan

Quotations by: • Albert Einstein • Isaac Newton • Lord Kelvin • Charles Darwin • Srinivasa Ramanujan • Carl Sagan • Florence Nightingale • Thomas Edison • Aristotle • Marie Curie • Benjamin Franklin • Winston Churchill • Galileo Galilei • Sigmund Freud • Robert Bunsen • Louis Pasteur • Theodore Roosevelt • Abraham Lincoln • Ronald Reagan • Leonardo DaVinci • Michio Kaku • Karl Popper • Johann Goethe • Robert Oppenheimer • Charles Kettering ... (more people)

Quotations about: • Atomic Bomb • Biology • Chemistry • Deforestation • Engineering • Anatomy • Astronomy • Bacteria • Biochemistry • Botany • Conservation • Dinosaur • Environment • Fractal • Genetics • Geology • History of Science • Invention • Jupiter • Knowledge • Love • Mathematics • Measurement • Medicine • Natural Resource • Organic Chemistry • Physics • Physician • Quantum Theory • Research • Science and Art • Teacher • Technology • Universe • Volcano • Virus • Wind Power • Women Scientists • X-Rays • Youth • Zoology ... (more topics)

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