Today in Science History - Quickie Quiz

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Scientist Quotations Index for Initial O

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.

Cletus O. Oakley
Kenneth Oakley
Wilfrid G. Oakley
Joyce Carol Oates
Barack Obama
Hermann Oberth
Obituary
Morrough Parker O'Brien
Sean O'Casey
Wubbo Ockels
William of Ockham
Bryan O'Connor
Christine O'Donnell
Eugene Pleasants Odum
William E. Odum
Hans Christian Oersted
William Fielding Ogburn
Norio Ohga
Georg Simon Ohm
Lorenz Oken
Henry Oldenburg
John Oldham
Richard Dixon Oldham
David Roger Oldroyd
Robert T. Oliphant
Bernard M. Oliver
Revilo P Oliver
Edward Olney
Greg Olsen
Everett C. Olson
O.M.D.
Michael O'Muircheartaigh
Eugene O'Neill
John O'Neill
Walter J. Ong
Ellison S. Onizuka
John Opie
J. Robert Oppenheimer
Alfred R. Orage
Robert Orben
City Ordinance
Nicole Oresme
Leslie Eleazer Orgel
P.J. O’Rourke
William J. O’Rourke
Louis Orr
José Ortega y Gasset
Tom Orth
George Orwell
Henry Fairfield Osborn
William Osgood
Andreas Osiander
Sir William Osler
Donald E. Osterbrock
Winthrop J.V. Leuven Osterhout
Jeremiah P. Ostriker
Wilhelm Ostwald
Carl Wilhelm Wolfgang Ostwald
George Oswald
John Otvos
Peter Demianovich Ouspensky
Frank Outlaw
Dennis Overbye
Publius Ovid
Sir Richard Owen
Robert Owen
Irving Oyle
Cynthia Ozick

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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