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Nobody. The Periodic Table has always existed according to Atomic Number.

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When was the first cinder track run on?

The first cinder track was run on in the late 19th century, around the 1870s. Cinder tracks were popular for athletics competitions before the modern rubberized tracks were introduced.


During which decade did Louis Pasteur develop pasteurization and Gregor Mendel refine his theory of genetics?

Louis Pasteur developed pasteurization in the 1860s and Gregor Mendel refined his theory of genetics in the 1860s and 1870s.


Where was little house on a prairie going?

"Little House on the Prairie" is a popular TV series based on the book series by Laura Ingalls Wilder. The show is set in Walnut Grove, Minnesota, during the 1870s and 1880s, and follows the life of the Ingalls family as they face various challenges and adventures.


What years did tin type photos get made?

Tintype photos were popular in the 1860s to 1870s. This photographic technique involved creating a direct positive image on a thin iron plate coated with a dark lacquer or enamel. Tintypes were a relatively inexpensive and durable alternative to other photographic processes of the time.


Who identified endospores?

Endospores were first identified by the French bacteriologist Louis Pasteur in the 19th century. However, it was Robert Koch who provided definitive evidence of their existence and significance in his studies on anthrax in the 1870s. Koch's work demonstrated how endospores allowed certain bacteria to survive extreme conditions, contributing significantly to microbiology and the understanding of bacterial life cycles.