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RAD111 > PIONEERS OF RADIOLOGY > Flashcards

PIONEERS OF RADIOLOGY Flashcards

1
Q

Explained the reaction of solids when they are placed in liquids.

A

ARCHEMEDES

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2
Q
  • Described materials as being composed of ultimate particles.
  • Formulated the first atomic theory.
  • Considered to be the ‘Father of Modern Science’
  • Claimed that everything is made up of atoms.
A

DEMOCRITOS

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3
Q
  • Discovered some of the effects of electricity.
  • 3 Specific aspects of physical science helped pave the way for the discovery of x-ray:
    1. ELECTRICITY
    2. VACUUMS
    3. IMAGE-RECORDING MATERIALS
A

THALES

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4
Q

Produced the first recognized vacuum when he invented a BAROMETER in 1979.

A

EVANGELISTA TORICELLI

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5
Q
  • Invented an air pump that was capable of removing air from a vessel or tube in 1946.
  • This experiment was repeated by Robert Boyle in 1659 and Herman Sprengel in 1865
A

OTTO VAN GUERICKE

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6
Q
  • Studied electricity and magnetism.
  • He was also noted for inventing a primitive electroscope.
A

WILLIAM GILBERT OF ENGLAND

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7
Q

His experiments with electricity earned him a place among the serious investigators.

A

ROBERT BOYLE

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8
Q

Built and improve the static generator.

A

ISAAC NEWTON

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9
Q
  • Working with glass silk and paper and distinguishes two different kind of electricity.
  • The reason there is Pyrex
A

CHARLES DUFAY

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10
Q
  • Made a significant improvement in the electroscope, a vessel for discharging electricity under vacuum conditions.
  • The electroscope was a forerunner of the x-ray tube itself.
A

ABBE JEAN ANTOINE NOLLET

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11
Q

Conducted many electrical experiments and should be mentioned in any discussion of the pioneers of electricity.

A

BENJAMIN FRANKLIN

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12
Q
  • Demonstrated a current of electricity by transmitting electricity from a ‘LEYDEN JAR’ through wires and a vacuum tube.
  • ‘Leyden Jar’ a simple device that ‘stores’ static electricity in large amounts. It was the original form of the ‘CAPACITOR’ ; Ben Franklin perform many electrical experiments using these devices.
A

WILLIAM WATSON

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13
Q

Noticed the difference in color of partially evacuated tubes. He noted that when a tube cracked and some air leaked in, the amount of air in the tube determined the coloration.

A

WILLIAM MORGAN

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14
Q
  • Produced and patented roll-paper film.
  • With this significant improvement of image-recording material and the cathode ray tube, the basis for modern-day radiography was established.
A

GEORGE EASTMAN

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15
Q

Discovered X-rays on November 8, 1895

A

WILHELM CONRAD ROENTGEN

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16
Q

Produced the first known radiograph in the United States on January 2, 1986

A

MICHAEL IDVORSKY PUPIN

17
Q
  • Primary concerns was working with Fluoroscopy.
  • After he and his staff performed numerous experiments they did discovered the use of calcium tungstate.
  • One of Edison’s assistant, Claronce Madison Dally, suffered radiation damage as a result of his work.
A

THOMAS ALVA EDISON

18
Q
  • Noticed that radium killed diseased cells, which was the first suggestion of the medical utility of radioactivity.
  • 1880, Pierre and his older brother Jacques (1856-1941) demonstrated the piezoelectric effect.
A

PIERRE CURIE

19
Q

Induced an electric current by moving a magnetic in and out of a coil in 1891. From this experiment electromagnetic induction was discovered.

A

MICHEAL FARADAY

20
Q

Made the most significant improvement on induction coils.

A

HEINRICH DANIEL RUHMKORFF OF PARIS

21
Q

Conducted several experiments with cathode rays, streams of electrons emitted from the surface of a cathode.

A

JOHAN WILHELM HITTORF

22
Q

Furthered study the cathode rays and demonstrated that matter was emitted from the cathode with enough energy to rotate a wheel placed within a tube.

A

WILLIAM CROOKES

23
Q
  • Found that cathode rays could penetrate thin metal and would project a few centimeters into air.
  • Also studied the deflection of rays as a result of magnetic field.
  • Did tremendous amount of research with cathode rays determined their energies by measuring the amount of penetration.
A

PHILIPP LENARD

24
Q
  • Produced radiograph in 1890
  • His achievement was recognized only in retrospect and after the discovery of x-rays by Wilhelm Conrad Roentgen.
  • He wasn’t credited with the discovery of x-rays.
A

WILLIAM GOODSPEED

25
Q
  • Produced the first photograph copy of written material in 1727
A

JOHAN HEINRICH SCHOLTZ

26
Q
  • Produced a film with a gelatin silver bromide emulsion that has remained the basic component for film.
A

RICHARD LEACH MADDOX

RAD111 (3 decks)

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