Complex sentence: Eva wrote to the Royal Swedish Academy of Sciences about her first discovery in 1746, and in 1748, she became the first woman elected to the Academy, although she never took part in any of the Academy's meeting.
Split into simpler sentences: Eva wrote to the Royal Swedish Academy of Sciences about her first discovery in 1746. In 1748, she became the first woman elected to the Academy, although she never took part in any of the Academy's meeting.