Othmar Zeidler

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A human Inuit skull in a stone chambered cairn in Ilulissat in Greenland. These ancient graves are pre christian and are at least 2000

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Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)

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Super Typhoon Noru over the western tropical Pacific Ocean as observed by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA Aqua satellite July 31 2017

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Diverse elementary school children wearing school uniforms running outside of school. Boys girls

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The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)

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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

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Iraqi Army Soldiers from the 9th Mechanized Division learning to operate and maintain M1A1 Abrams Main Battle Tanks at Besmaya Combat Training Center, Baghdad, Iraq, 2011. Military training. Iraq war. U.S. Army

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Othmar Zeidler

German chemist

Learn about this topic in these articles:

study of DDT

In Paul Hermann Müller
The German chemist Othmar Zeidler had first synthesized the compound in 1874 but had failed to realize its value as an insecticide.
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