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Scientist Quotations Index for Initial J

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.

Brooks Jackson
Charles Thomas Jackson
David D. Jackson
John Hughlings Jackson
Michael Jackson
Samuel Jackson
Edward Jacob
François Jacob
Karl Jacobi
Mary Putnam Jacobi
Arne Jacobsen
Rolf Jacobsen
Russell Jacoby
Joseph Marie Jacquard
Jean Jacques
Aniela Jaffé
Sigmund Jähn
Henry James
P D James
Rusty James
William James
Robert Jameson
Pierre(-Marie-Félix) Janet,
Philip E. Janney
Pierre Janssen
David H. Janzen
Karl Theodor Jaspers
Julian Jaynes
Al- Ismail ibn al-Razzaz Jazari
Sir James Jeans
Richard Jefferies
Robinson Jeffers
Thomas Jefferson
Lord Francis Jeffrey
Sir Harold Jeffreys
Mae C. Jemison
Chen Jen
Ken Jenkins
Edward Jenner
Byron K. Jennings
Herbert Spencer Jennings
Glenn Lowell Jepsen
Niels K. Jerne
John B. Jervis
Otto Jespersen
William Stanley Jevons
Al- Jill
Steve Jobs
Wilhelm Ludvig Johannsen
Pope John Paul II
Douglas Wilson Johnson
George Johnson
President Lyndon Johnson
Pete Johnson
Samuel Johnson
W. Woolsey Johnson
Margaret B. Johnstone
Pope John XXIII
Frederic Joliot-Curie
Irène Joliot-Curie
Alison Jolly
John Joly
David Jones
Ernest Jones
Sir Harold Spencer Jones
John Stephen Jones
Steve Jones
Terry Jones
William Jones
Erica Jong
Ben Jonson
Barbara Jordan
Camille Jordan
David Starr Jordan
Edward Jordan
Michael Jordan
Christian Klixbüll Jørgensen
Brian D. Josephson
Kedar Joshi
Joseph Joubert
James Prescott Joule
Medical Journal
Benjamin Jowett
James Joyce
Horace Freeland Judson
Maureen M. Julian
Carl Jung
Joseph Juran
Antoine de Jussieu
Juvenal

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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