24 июн 1827 г. - Robert Brown

Описание:

Robert Brown notices how dust particles float around randomly of the surface of water.

https://www.thoughtco.com/history-of-atomic-theory-4129185

"Brown had a passion for botany, In 1793, Brown dropped out of his medical courses and around a year later, he was commissioned as part of the Fifeshire Regiment of Fencibles as a surgeon’s mate. The regiment was assigned to Ireland and seeing little action, he focused his time on botany pursuits."
https://www.famousscientists.org/robert-brown/

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