DEV'T OF MICROSCOPY

Question 1

CONRAD GESSNER

Answer 1

studied foraminiferans

fisrst use of magnifying lenses

Question 2

ERNST ABBE

Answer 2

abbe sine condition (relarion to wavelength)
worked with Carl Zeiss to use optical instrument uaing laws of physics and sound optical theory
achromat and apochromat lenses (improved resolution)

Question 3

JOHANNES KEPLER

Answer 3

use of both convex lenses in eyepiece and objective

Question 4

ANTON VAN LEEUWENHOEK

Answer 4

studied animalcules in pond watee
rbc and sperm cells
bacteria from teeth

use of magnifying tool (2 flat thin metals and biconvex lens)

Question 5

JOHANNES FABER

Answer 5

conferred the term MICROSCOPE

Question 6

GALILEO GALILEI

Answer 6

compound microscope (convex and concave lenses)

Question 7

CHRISTOPHER SCHEINER

Answer 7

Keplerian Microscope

Question 8

ZACCHARIAS AND FRANCIS JANSSEN

Answer 8

first compound microscope (biconvex lens and plano conces lens)

Question 9

JOSEPH JACKSON LISTER

Answer 9

studied how lens can be separated from each other or can be combined to give good magnification without blurring

Question 10

HEINRICH ROHRER

GERD BINNIG

Answer 10

scanning tunneling microscope

Question 11

scanning tunneling microscope

Answer 11

can view 3d image down to atomic level

Question 12

ENRST RUSKA

MAX KNOLL

Answer 12

built prototype of first election microscope

Question 13

KARL REICHERT

OSCAR HEIMSTADT

Answer 13

demonstrated fluorescent microscope using autofluorescent specimen

Question 14

RICHARD ZSIGMONDY

Answer 14

ultramicroscope

Question 15

ultramicroscope

Answer 15

can view objects at wavelength below visible spectrum

Question 16

FRITS ZERNIKE

Answer 16

phase contrast microscope

Question 17

phase contrast microscope

Answer 17

can view colorless and transparent object