June 3 Science History

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1822 - René-Just Haüy died.


Haüy was a French mineralogist and considered to be the founder of crystallography. He noticed the angles and cleve lines were clearly defined and fixed when a sample of calcite was broken and began an extensive study of other crystals. He established the symmetry law that showed crystals are formed by fixed laws.?


1726 - James Hutton was born.


Hutton was a Scottish natural philosopher who is considered to be the founder of modern geology. He apposed the Neptunist theories of the day where all rocks were formed from a single large flood. Hutton's believed the interior of the Earth was a large heat engine that continuously creates new rocks and these rocks are eroded by water and air to form the layered sedimentary rocks.


1657 - William Harvey died.

Harvey was an English physician who discovered the heart acts as a pump and circulates blood through the body.
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