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	<title>MicrobeHunter.com &#187; time</title>
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		<title>Timeline of Microscopy</title>
		<link>http://www.microbehunter.com/2009/02/01/timeline-of-microscopy/</link>
		<comments>http://www.microbehunter.com/2009/02/01/timeline-of-microscopy/#comments</comments>
		<pubDate>Sun, 01 Feb 2009 17:43:50 +0000</pubDate>
		<dc:creator>Oliver</dc:creator>
				<category><![CDATA[Microscopy Basics]]></category>
		<category><![CDATA[history]]></category>
		<category><![CDATA[time]]></category>

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		<description><![CDATA[The development and history of the optical microscope was one which stretched over a long period of time with many larger and smaller contributions. The following list highlights some of these milestones.]]></description>
			<content:encoded><![CDATA[<p>The development and history of the optical microscope was one which stretched over a long period of time with many larger and smaller contributions. The following list highlights some of these milestones.</p>
<ul>
<li><strong>1021 &#8211; Ibn al-Haytham (Alhazen) (965 -c.1039):</strong> describes the properties of magnifying glass in his Book of Optics.</li>
<li><strong>1100s -</strong> Translation of Alhazen&#8217;s Book of Optics into Latin and spreading of the knowledge into Europe</li>
<li><strong>1200s -</strong> Development of spectacles (Italy)</li>
<li><strong>1590 &#8211; Hans Jansen and his son Sacharias Jansen:</strong> Invention of the compound microscope</li>
<li><strong>1609 &#8211; Galileo Galilei (1564-1642):</strong> construction of a compound microscope with a convex and a concave lens.</li>
<li><strong>1619 &#8211; Cornelius Drebbel (1572-1633):</strong> presents a compound microscope made of two convex lenses.</li>
<li><strong>1625 &#8211; Giovanni Faber (1574-1629):</strong> coins the word microscope</li>
<li><strong>1665 &#8211; Robert Hooke (1635-1703):</strong> publishes Micrographia, a collection of biological micrographs and the first basic publication dedicated to microscopy.</li>
<li><strong>1673 &#8211; Anton van Leeuwenhoek (1632-1723):</strong> develops single-lense microscopes.</li>
<li><strong>1678 &#8211; Cherubin d&#8217;Orleans:</strong> develops a binocular microscope out of two monocular systems</li>
<li><strong>1690 &#8211; Christiaan Huygens (1629-1695):</strong> formulates the wave theory of light and constructs oculars made of two lenses and a diaphragm</li>
<li><strong>c. 1700 &#8211; John Marshall (1633-1725):</strong> Develops a microscope base with an illumination system</li>
<li><strong>1712 &#8211; Christian Gottlieb Hertel:</strong> uses mirrors for illumination and constructs a micrometer eyepiece using horse hair for a grid</li>
<li><strong>1744 &#8211; John Cuff (1708-1772):</strong> used a condenser lens to increase light intensity</li>
<li><strong>1755 &#8211; Georg Adams (1704-1773):</strong> constructed microscopes with a revolving nose piece to change objectives.</li>
<li><strong>1814 &#8211; Joseph Fraunhofer (1787-1826):</strong> besides constructing microscopes, his research contributed to the establishment of the wave-theory of light.</li>
<li><strong>1830 &#8211; Joseph Jackson Lister (1786-1869):</strong> is able to correct both chomatic and spherical aberration</li>
<li><strong>1834 &#8211; William Henry Fox Talbot (1800-1877):</strong> develops polarization microscopy and makes photomicrographs</li>
<li><strong>1847 &#8211; Giovanni Battsta Amici (1786-1873):</strong> first person to use immersion objectives</li>
<li><strong>1863 &#8211; Henry Clifton Sorby:</strong> development of a metallurgical microscope to observe meteorites.</li>
<li><strong>1873 &#8211; Ernst Abbe (1840-1905):</strong> discovers the Abbe sine condition, the theory of microscopic imaging and resolution. This was a substantial discovery.</li>
<li><strong>1893 &#8211; August Köhler (1866-1948):</strong> Köhler illumination invented</li>
<li><strong>1935 &#8211; Frits Zernike (1888-1966):</strong> develops phase contrast microscopy, He recieves the Nobel Price in 1953. </li>
<li><strong>1955 &#8211; George Nomarski (1919-1997):</strong> develops differential interference contrast microscopy.</li>
</ul>
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