T.H. Huxley in 1870. it means a-gnostic. "a" meaning without, "gnostic" meaning "knowing"
I presume you mean the founding fathers? At that time there wasn't really the concept of agnostic - that was coined around 100 years after 1776. The religious beliefs of the founding fathers is interpreted from their writings; based on that Franklin was probably "agnostic" or atheist, George Washington may also have been agnostic.
it was coined in 1382
The term was coined by Thomas Huxley in 1860. This was probably related to the debate surrounding the publication of Origin of Species (in 1859).
Neologism
No one coined that term, yet. It is not a word.
The word Agnostic, key word Gnostic meaning pertaining to knowledge; To know. Agnostic is without knowledge. and in most cases it is not KNOWING if there is or is not a god. Which is different than Theism and Atheism which is pertaining to the BELIEF of there being a god or gods.
Italian painter who coined the word automobile
I believe it was coined in 1833 by Scottish geologist Charles Lyell.
Democritus
Eratosthenes
Pythagoras
The word "sarcasm" is believed to have been coined in 1382. It originates from the Greek word "sarkasmos," which means a tearing of the flesh or a bitter sneer.