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Scientist Quotations Index for Initial M

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.

Catharine Macaulay
Lord Thomas Macaulay
Ernest William MacBride
Sir Desmond MacCarthy
Alan G. MacDiarmid
David Keith Chalmers MacDonald
Ian G. MacDonald
Alan MacFarlane
Alexander Macfarlane
Ernst Mach
Niccolò Machiavelli
George Macilwain
Charles Macintosh
George Macintosh
Robert M. Maciver
Richard Mackarness
Alan L. Mackay
Charles Mackay
Sir Morell Mackenzie
George Whitelaw Mackey
Charles Macklin
Alexander Maclaren
Colin Maclaurin
Archibald MacLeish
William Maclure,
Percy Alexander MacMahon
Alexander Macmillan
Pierre-Joseph Macquer
Joseph MacSweeny
Melvin Maddocks
John Maddox
Maurice Maeterlinck
Magazine
John Gillespie Magee
François Magendie
Philip Magnus
Mahadeviyakka
Prasanta Mahalanobis
Sri Nisargadatta Maharaj
Norman Mailer
Rabbi Moses Ben Maimon Maimonides
Henry James Sumner Maine
Joseph de Maistre
Erin Majors
Nicolas Malebrancbe
Nicholas Malebranche
Bronislaw Malinowski
Franklin Paine Mall
Archibald Malloch
W. H. Mallock
George Mallory
Bo C. Malmstrom
Marcello Malpighi
Thomas Robert Malthus
Étienne-Louis Malus
Earth Man
Benoît Mandelbrot
Yuri I. Manin
James B. Mankin, Jr.
Horace Mann
Thomas Mann
Henry Parker Manning
Eli Maor
Jean Paul Marat
Robert H. March
Guglielmo Marconi
Bernard Marcus
Rudolph A. Marcus
Herbert Marcuse
Orison Swett Marden
Robert Ranulph Marett
Étienne-Jules Marey
Henry Margenau
Hans Margolius
René François Ghislain Magritte
Spyridon Marinatos
David Marine
Michael Garrett Marino
Edme Mariotte
Jacques Maritain
Vladimir Vasilyevich Markovnikov
Arthur Handly Marks
Bob Marley
Christopher Marlowe
Don Marquis
George Perkins Marsh
Othniel Marsh
Bob Marshall
Roy K. Marshall
Ralph Marston
Félix Martí-Ibáñez
Archer Martin
Steve Martin
Thomas L. Martin
Thomas-Henri Martin
Chris Martine
Harriet Martineau
Karl Marx
Heinrich Maschke
Chris Maser
Abraham Harold Maslow
Paul Mason
Samuel P. Massie
William H. Masters
Mason Mastroianni
Rev. Increase Mather
Kirtley F. Mather
Adrian Mathesis
Gervase Mathew
German Society for the Advancement of Instruction in Mathematics
Carrie, Homeland
Matsushita Research Institute
William Matthews
Bernd T. Matthias
Matyo
Henry Maudslay
Henry Maudsley
W. Somerset Maugham
Edward Walter Maunder
Daniel Toler Thomas Maunsel
Guy de Maupassant
Pierre-Louis Moreau de Maupertuis
Antonia Maury
Matthew Fontaine Maury
Marcel Mauss
Sir Hiram Maxim
Hudson Maxim
James Clerk Maxwell
Robert McCredie May
Dr. Rollo May
Joseph Mayer
Robert Mayer
Samuel Mayer
Benjamin E. Mayes
Richard Mayfield
John Maynard Smith
Charles Mayo
Elton Mayo
William James Mayo
John Mayow
Ernst Mayr
Bruce Mazlish
David McArthur
Christa Corrigan McAuliffe
Charles McCabe
John McCarthy
Mary McCarthy
Barbara McClintock
Willie McCool
Mark McCormack
Thomas J. McCormack
Robert McCormick
Sir William McCrea
Mike McCulley
Kevin McDonald
Denny McDonough
William McDonough
William McDougall
Dusa McDuff
Leo McGinneva
Rod McKuen
Mignon McLaughlin
John H. Mcleod
Herbert Marshall McLuhan
Scott Mcnealy
John McPhee
George McRobie
Edward James McShane
M. Meacham
Margaret Mead
Donella A. Meadows
James Howard Means
George S. Meany
Sir Peter B. Medawar
Social Media
Zhores Medvedev
Thomas Meehan
Joost Meerloo
Kenneth Mees
Alexander Meiklejohn
K.O. Meinsma
Lise Meitner
Joseph William Mellor
Ralph Melnyk
Samuel J. Meltzer
Herman Melville
Menaechmus
Gilles Ménage
Henry William Menard
H. L. Mencken
Gregor Mendel
Johann Gregor Mendel
Dmitry Ivanovich Mendeleev
Kurt Alfred Georg Mendelssohn
Thomas Corwin Mendenhall
Robert M. Mengel
Karl Augustus Menninger
Donald Menzel
Ulf Merbold
Giuseppe Mercalli
George W(ilhelm) Merck
George Meredith
Ottmar Mergenthaler
N. David Mermin
Clinton Hart Merriam,
Marin Mersenne
Robert King Merton
Thomas Merton
John Theodore Merz
Charles Messier
Reinhold Messner
Elie Metchnikov
Metrodorus of Chios
Nicholas Metropolis
W. E. Metz
Ernest von Meyer
Julius Lothar Meyer
Alice Meynell
Peter Michaelis
Michelangelo,
Édouard Michelin
John Michell
A.A. Michelson
James Albert Michener
Mary Midgley
Thomas Midgley, Jr.
Ludwig Mies van der Rohe
José Rodrigues Miguéis
John Stuart Mill
Edna St. Vincent Millay
Arthur Miller
Dayton Clarence Miller
George A. Miller
G. Tyler Miller, Jr.
Henry Miller
Hugh Miller
Jeff C. Miller
Matthew D. Miller
Perry Miller
Spike Milligan
Robert Andrews Millikan
Stephanie Mills
A. A. Milne
Florence Milner
César Milstein
John Milton
Kally Minami
George M. Minchin
Tim Minchin
David Minge
Charles Mingus
Hermann Minkowski
George Richards Minot
Marvin Minsky
Henry Mintzberg
Alfred Ezra Mirsky
Ludwig von Mises
Richard von Mises
Carl Mitcham
Edgar Mitchell
Keith Mitchell
Margaret Mitchell
Maria Mitchell
Peter Dennis Mitchell
William A. Mitchell
Eilhard Mitscherlich
Magnus Gösta Mittag-Leffler
Alwin Mittasch
Wilson Mizner
Walter Hamilton Moberley
August Möbius
Paul Julius Möbius
John Moffat
Hugo von Mohl
Henri Moissan
Abraham de Moivre
Jacob Moleschott
Christian Møller
Helmuth Karl Bernhard Graf von Moltke
Thomas Molyneux
N. Scott Momaday
Lord James Burnett Monboddo
Ludwig Mond
Henri de Mondeville
Claude Monet
Gaspard Monge
Jean Monnet
Jacques Monod
Ashley Montagu
Lady Mary Wortley Montagu
Michel Eyquem de Montaigne
Charles Louis de Secondat, Baron de Montesquieu
Maria Montessori
Brothers Montgolfier
Jacques Étienne Montgolfier
Joseph-Michel Montgolfier
James Montgomery
Henry de Montherlant
Chris Mooney
James Mooney
Aubrey Lackington Moore
Barrington Moore, Jr
Craig H. Moore
Eliakim Hastings Moore
Francis Daniels Moore
G. E. Moore
Hewitt E. Moore
Marianne Moore
Sir Patrick Moore
Stanford Moore
Thomas Moore
Thomas W. Moore
Herbert M. Moran
Louis Mordell
Hannah More
Henry More
Sir Thomas More
Giovanni Battista Morgagni
Conwy Lloyd Morgan
John Morgan,
J.P. Morgan
Lewis Henry Morgan
Murray Morgan
Thomas Hunt Morgan
William Wilson Morgan
Samuel Eliot Morison
Christopher Morley
Viscount John Morley
Anton-Lazzaro Moro
Michael J. Moroney
Harold Morowitz
Bede Nairn Morris
Desmond Morris
Francis Orpen Morris
Robert Morris
Simon Conway Morris
William Morris
William Morris
Abraham Cressy Morrison
John A. Morrison
Philip M. Morse
Samuel F. B. Morse
Viggo Mortensen
Henry Morton
J. Sterling Morton
Henry Moseley
Lemuel Moss
Walter Mossberg
Frederick Mosteller
Sir Nevill F. Mott
Motto
Forest Ray Moulton
Movie
Ian Mueller
Malcolm Muggeridge
John Muir
James Patrick Muirhead
Fritz Müller
Hermann Joseph Muller
Johannes Peter Müller
Richard A. Muller
Robert Sanderson Mulliken
Meg Mullins
Kary B. Mullis
David Bryant Mumford,
Lewis Mumford
Theodore T. Munger
Norman L. Munn
Randall Munroe
Haruki Murakami
Sir Roderick Impey Murchison
Rupert Murdoch
William Murdock
Ildaura Murillo-Rohde
Edward A. Murphy, Jr.
Gardner Murphy
Bill Murray
Sir James Murray
Sir John Murray
Joseph E. Murray
Edward R. Murrow
Story Musgrave
Robert Musil
Pieter van Musschenbroek
George W. Myers
Norman Myers

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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