early life and training charles-dominique-joseph eisen, a renowned french painter and engraver, was born on august 17, 1720, in valenciennes. as the son and pupil of frans eisen, he was destined for artistic greatness. in 1741, eisen moved to paris, where he entered the studio of le bas in the following year, marking the beginning of his formal training. rise to prominence eisen's exceptional talent and sparkling wit quickly gained him…